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English
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Part 15 of A Brother's Love
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2025-11-15
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12,959
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1/1
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Birthday Preperations

Summary:

Aizawa is turning 40 next week, and your brother came up with such a sweet way to celebrate him but first, you'll need some intense training to get it right.

And there's no better trainer in Musutafu than Bakugou Katsuki. After his last taste of you he easily agreed to help out your brother with this quest, inviting his best Show Bunny with him to teach you the ropes of pet play.

// Prequel to last week's Aizawa Birthday fanfic!

Notes:

i have....... been writing this sorta non-stop for several hours today lmao. usually i proofread my work at least twice from start to finish but i will admit that the next [checks calendar] 9 days will be a grueling hell of work for me, so i thought. fuck it. heres yalls treat <3 if theres any spelling errors you know i will usually catch them in a few days but honestly.. i know i still delivered a sick-ass work so yall probably knew what i meant anyway even with a few typos here and there LMAO

i pictured this sort of grind mat when i described one. it can look however you want, just pretend it can a) be stuck to the floor and b) has soft tentacles.

also i am greedy. midoriya izuku still became a teacher at u.a BUT !!!!!! he also still has a quirk. fuck the bnha ending im mking my own<3

please enjoy the prequel to last week's birthday :3 i will re-order the series publications and beg yall to pretend this was written first!!!! mwuah!!!

@ new readers: remember that i chose not to use archive warnings and i have not specified whether she is a first, second or third year at u.a so she could be underage or not, that is up to the reader to interpret as always

(See the end of the work for more notes.)

Work Text:

The Hero News! Channel hasn’t stopped running for the last hour. Bakugou’s been facing the television with a beer in his hands but you’re keenly aware that rather than watching that, he’s watching you.

You stopped fidgeting a while ago, nervousness ebbing into boredom as he stretched the tension out over the minutes that’s been dragging out. He’s barely taken sips of the beer, grunting and stretching his arms in intervals that almost seem practiced. He keeps checking his watch.

You promised Onii-san that you’d do anything that Bakugou asked of you; that you’d be a good girl, because this will make your Papa happy. And you want to make Aizawa happy on his 40th birthday; after all, he’s done so much for you. Sacrificed so much.

So far, the only things that he’s asked of you are two things: don’t use your words unless he lets you and to sit on this pillow on the floor quietly until he lets you move.

You know someone else should be arriving soon. When Shinsou dropped you off, the blond alluded as much while patting your head. You’d frowned at him messing up your hair, sticking out your tongue at him as soon as his focus turned back to your brother. If he noticed, he didn’t say anything.

You’re waiting for the doorbell to ring so when you hear keys turn instead, you tense and look towards the sound. Bakugou clears his throat but he only takes a sip of his beer – eyes trained on the television still – so you straighten your back and even your breathing; you have a feeling that following the orders right now are more important than they’ve been up until this point.

 

The sounds of the city travels through the apartment into your ears as someone enters. A car honking, the train passing.

And then the door closes with a groan and you strain your ears for all sounds; shoes being toed off by the entrance, a deep sigh followed by the thud of a bag hitting the floor. Your eyes jump to Bakugou whose attention is clearly also fixated on the entrance of his home, yet his eyes are still performatively trained on the screen.

He takes a sip of his beer as a figure enters with a low groan, “ugh, the train was crowded.”

 

Midoriya Izuku is dragging his socked feet over the wooden floors as he loosens his tie, an exhausted grimace on his face. Bakugou wordlessly raises his hand to give your History teacher a beer he’d kept on the side table. Midoriya doesn’t seem to notice you on the floor as he accepts the beverage. The hiss of the can opening overshadows the TV.

“Thanks Kacchan,” he grunts, stretching his neck to alleviate the stiffness from a long day of work, “when does the person you’re gonna train arrive? Do I have time for a shower?”

Midoriya can’t see Bakugou’s face from where he’s standing behind the couch, but you can. You see the slanted smirk appear on his face before he casually jerks his head in your direction like this isn’t the most entertaining thing he’s done all week, “she was dropped off hours ago.”

 

Your hands clench on your lap as his eyes travel to you while taking a sip of the beer. Midoriya’s eyes has always been big – wide and wonderful – but you get to see them grow even wider in surprise as he looks you up and down, taking in your form. You inhale sharply when he spits out his beer and grabs Bakugou’s scalp, pulling his head back so that they can look at each other. He drops the can but picks it up with his quirk before he spits down onto Bakugou’s face, “K-K-Kacchan!

Bakugou looks back up at him as he snorts, “what?”

Midoriya pulls at his head that follows the movement with how lax Bakugou’s shoulders are. He seems to have expected the panic in your teacher. Your throat bobs as you swallow the saliva gathering on your tongue, trying to quell the excitement from having Midoriya walk in through the door. You don’t mind him being a part of it. He’s always nice to you, praising you and giving you special treatment in class, always choosing you to help him afterwards with some errand or other. He’s one of your favorite teachers.

“T-that’s my student!”

His stuttering is cute, too. Some of your classmates like to rile him up and tease him about it but it’s rare that he falls for their mischief. You blush at being called his. Bakugou looks at you with hooded eyes, and you straighten your shoulders and lift your head at the attention, “she’s a cute one, yeah?”

Midoriya wraps the tendrils of Blackwhip around Bakugou to make him stand, “kitchen, now!”

 

 

Bakugou loves riling Midoriya up like this, pressing his buttons and pushing the boundaries. He wouldn’t have invited his childhood friend if he knew he’d have issues with the situation at hand…

“That’s Aizawa-sensei’s daughter out there!” Midoriya hisses, pointing towards the living room. Panic and confusion is dripping off of him with his sweat.

…Grievances, sure. But directly against training you? Hell no. Bakugou rolls his eyes, “he hasn’t been your teacher for years now, stop calling him sensei. He’s your fuckin’ colleague.”

Midoriya frowns, “don’t change the subject. That’s one of my students!” he whispers the last word like it’s a dirty secret, face and ears turning a distinct shade of red that Bakugou likes on him; it matches the man’s own eyes. His lips curl into a teasing smirk as he crowds Midoriya’s space, “yeah?”

His voice is an octave lower, hoarse and delicious and for a second Midoriya falters and falls into Bakugou’s spell, relaxing his shoulders, “it’s, uh, it’s Hitoshi’s baby… sister.” He protests weakly as a last attempt.

Bakugou snorts, cupping his friend’s cheeks, enhancing his pout by squishing them together, eyes locked onto his lips, “such an observant bun, hm? You’re right, she’s all that, and her pussy feels fuckin’ great, too.”

 

Midoriya was asked by Bakugou to help train a new puppy; it’s not the first time he’s been asked here to help someone new learn the ropes of their kink. But usually it’s either people in their direct circle of friends or people completely out of it, like strangers that Bakugou’s met through the community.

Not the Goddamn daughters or sisters of friends and colleagues.

Bakugou lets one hand travel down his jaw, the neck, tickling the collarbone. His palm hovers over his chest, pushes at the abs underneath his collared shirt before they pass the belt and paws at his half-hard cock, “c’mon Izuku, don’t tell me you haven’t fantasized about how sweet she’d sound.”

Midoriya lets out a whimper through gritted teeth despite the way his dick twitches at the thought. The blond leans in and exhales slowly by the shell of his ear, “C’mon, sensei,” it’s unfair how he pitches his voice a little higher at the word, enunciating it, “aren’t you gonna teach her? I bet she’d love for someone like you to show her how.”

It’s unfair that Bakugou knows his desires and how to press his buttons. He bites the inside of his cheek to keep from moaning. He shouldn’t have divulged his interest in a student-teacher fantasy during that one drunken night. It’s going to be his death. But in his defense, he’d just talked about roleplay. When Bakugou licks the shell of his ear, he squeaks, hand continuing down to cup his balls, “so be a good bunny for me, yeah? Hop, hop, hop into shower and get ready,” Bakugou kisses his cheek, “it’s all laid out on the bed for you.”

Midoriya breathes heavily but stays completely still, eyes searching for something in Bakugou’s eyes. The red eyes meet his head-on with a challenge before he pulls away with a small laugh, “Hitoshi asked for this – your little desk job is safe.”

He doesn’t want to admit to the relief that he feels at this, but it makes him exhale shakingly nonetheless, “this is messed up, Kacchan.”

Bakugou barks out a louder laugh at this before he passes him to return to your side, “sure. And you’ll cum so many times that you’ll be unable to spell your own name at the end.”

 

You watch Bakugou return with your eyes wide and curious. He smiles at you as he picks up a little box from a dresser and then nears you, “’surprised you’ve kept my orders. Good girl.”

He snorts at your pout and pats your head before he sits by the couch and pats his knee, “c’mere. I’ll go over the rules with you.”

You almost don’t go to him, because he haven’t retracted the previous order, but you suppose this is the new one. As you crawl to him, Midoriya enters the room and you stop to follow him with your eyes instead, curiosity shining through you. He’s red all over, the color traveling down underneath the collar he loosened earlier and you find yourself wanting to rip off the rest of the shirt to see if it continues down his chest.

“Izuku will be back later, when we’re all ready.”

Izuku? Your pupils blow wide; can you call him that, too?

Bakugou pats his knee again, “won’t repeat myself, brat.”

You lick your lips before you start crawling towards him again, watching him as he puts the box next to him and spreads his thighs. You try to crawl in between them, assuming you’ll have to suck his cock, but he tuts at you before he pulls at you gently from your jaw, “nah, I said we’re going over the rules, didn’t I? Stupid little brain forgot to listen? Too desperate for a dick in your mouth?”

Your brows knit in frustration as your lower lip juts out, but you follow his guidance and crawl onto his lap where he’s forcing your own legs to spread. You’re still in your uniform.

He pets and paws at your thighs before he starts talking, “you remember the color system?”

You nod, spreading your legs even wider when his hands goes towards your inner thighs. You’ve been throbbing in anticipation on his floor for the past hour, it’s only fair that he goes underneath your skirt soon.

But he doesn’t. You hear the shower starts to run.

“Repeat them for me.”

You roll your eyes and look away, annoyance spreading like vines in your mind. Your brother already went through this sleepover with you; Bakugou will teach you how to be a good puppy, and it’ll make your father really happy.

While cutting off your windpipe, your brother didn’t mince his words as he explained your choices to you; you behave and do exactly as Bakugou demands or you’ll be punished. Get punished too much and you’ll wound up disappointing both your father and brother. You want Papa to have a nice 40th birthday, don’t you?

Bakugou doesn’t seem to understand that you’ll do anything for your father and brother. If it feels good for them, it’ll feel good for you too, regardless of your own needs.

Bakugou snarls as he grabs your face roughly, narrow eyes boring into yours, “repeat them for me.”

 

You don’t want to sound as small as you do, but you end up squeaking your answer like a timid mouse, “red if it feels bad,” you swallow thickly, eyes going to Bakugou’s nose as your voice gains more confidence, “yellow if I’m unsure,” then his lips, glistening as if he’d just applied lip balm. You lick your own subconsciously as you whisper, “green if it feels good.”

Bakugou holds you in that moment for a second before he smiles and lets go of your jaw, “good girl.”

You shudder and almost fall apart on his lap at your first real praise from him, your body more tense than you realized. He grins as he finally breaches the hem of your skirt, two fingers dragging up and down your slit lazily through your panties. You’re acutely aware of the fact that the television is still running behind you. Bakugou nuzzles into your neck and breathes in deeply, groaning at the exhale, “shit, you smell good.”

You whine, lip wobbling at the compliment; you’ve been at school all day and he still thinks you smell good? You grind your hips once, twice, knowing you can play it off as a stutter if he disapproves, holding your breath as you wait for a reprimand.

But it doesn’t come. Instead, he just observes you as you start to move, his own hand stopping its movements to let you take what you need from him. Your clit throbs and you shudder at his piercing gaze.

“You see this box?” he drawls lazily after a moment. You follow his own movements as it rattles. Inside it are a few items that makes your core clench around nothing.

“Your brother got these for you. You’ll try them today, yeah?”

 

You reach out for the ears, soft and fluffy and exactly the same shade as your own hair, the same depths of your color. You trace the shape with marvel. They’re not entirely pointy, a little droopy and floppy, with a clip at the bottom. Bakugou gently takes it out of your grasp and he reaches for your head with a small click of his tongue, “the headbands are usually easier to put on, but these stay on nicely,” he explains as he clips it into your hair, ruffling tuts of hair around them to make them look natural before he puts the other one on, “when you’re wearing this,” he starts, “you’re someone’s pup. Specifically, your Papa’s, yeah?”

You nod and whip your head from side to side a few times, as if to check the sturdiness. You let out a breathless little laugh when you feel the tips flop against your scalp gently, tilting your head at Bakugou underneath you. He shows you the matching tail plug, “Hitoshi says you have experience with these, yeah?”

You nod eagerly, leaning forward on top of him to see it better, enjoying how big and poofy it is. It’s so beautiful. You wonder how much he’s spent on it. The plug itself is silver and looks to be a little bit bigger than the one attached to your cat tail.

Bakugou puts it next to you before he picks up something else, “what about this?”

He shows you a collar. It’s simple, black leather. “Hitoshi’s getting you a shiny new one for the birthday, but this will be your practice collar today, ‘kay?”

He lets you take it from his hands, examining it. It looks like something a dog would wear, and it makes you lick your teeth. Bakugou starts to explain, “this is the determining factor; you do as your master says when it’s on.”

You look up at him and he continues, “’s play, of course, so you can use your colors. But you act like a puppy when it’s on. I don’t think your dad specifically minds a shitty mutt, given how he dotes on you,” Bakugou laughs dryly before he takes the collar and unclasps it, “but the reason you’re here is for me to start the training. Papa will finish it.”

You don’t notice that the water stopped running.

Your breath hitches as he fastens it around your neck, eyes locked to the way that his own seem relaxed and in control. You almost yelp when he catches you staring, “I’m your owner today and tomorrow. Is that understood?”

 

Bakugou’s cock twitches at how you just stare at him dumbly with a tilted head. Just getting the collar on and you’re already trying to push the limits of his grace. He grins, hand going from where he closed the collar to your jaw, grazing your cheek before he pulls at your hair so that your face is all up in his. You yelp as he asks again, “understood?”

You’re breathless already, pupils so fat and wide that your eyes are practically black, lips wet with drool. You nod dumbly like a doll, leaning forward to lap at him with your tongue. Bakugou lets go of your hair and pulls himself away, “good.”

 

Softly – and a little out of character – Bakugou curls his hand around your hip, “I’ll tell you how to be a good puppy as we go. You can ask any questions – even the stupid ones,” he grins at you and squeezes the hip, “Izuku will help show it off with me, so you be nice to him, too. That’s my pet.”

It’s like a warning, the way that he tells you; it’s in a tenor not dissimilar from your brother’s possessive way of talking, and you nod. You’re happy to know there’ll be another pet here – it makes it less scary to act weird.

Because it is a little weird to you. You’re Aizawa’s daughter, his baby. Do you really need more titles? Doesn’t he like to fuck his precious princess? Are you not making him feel good anymore?

But your brother explained to you why Aizawa is a teacher; he likes training people. He told you about his childhood with your father and you had to swallow your jealousy at how he’s known the man his whole life but you haven’t met him until later. But Aizawa sounded strict in your brother’s stories; much stricter than how you know him – and stricter than how the students at the Hero Course describes him. Your brother is mischievous; he often tells you things laced with sarcasm and humor, but you don’t catch it, so you aren’t sure how true this is.

But no one did believe that Aizawa Shouta really was the precious Papa you spoke of until he showed up at General Studies one day with something you forgot from home, patting your head in front of everyone. You remember that more people wanted to be your friend after that day.

 

Bakugou rummages through the box as you reminisce. When you came back from the kidnapping, no one knew why you’d been gone; your Papa told you to say you’d caught the flu, even if it was completely out of season. They’d been worried about you, and the Class President had even offered to gather all the homework and bring it to you but your homeroom teacher, Pro Hero Ectoplasm, had declined and told her that he’d just be the one to give it to your father.

You’ve been happy to return to your class and have more things return to normal.

 

You sigh out when Bakugou’s fingers reach underneath your panties and travel over the globe of your ass to circle your puckered hole. He snorts when he finds it soft and pliant, the lubed digit sliding in without an issue, “Hitoshi fucked you after class?”

You hide your face in his neck as he fucks his finger in and out, bending it just right, “nuh-uh,” you sigh, “Papa did during lunch break.”

On one of the top floors of U.A, the teachers have private bathrooms that’re a little bigger with shower stalls. It’s not unusual for you to beg your father to take you there after the first time he fucked you in there. It helps you get through the afternoon classes without getting too antsy.

Bakugou can’t help but laugh as he pushes in a second finger, scissoring them and making you whimper. You nuzzle further into his neck, licking and nibbling at his skin. He grumbles under his breath whenever your bites are just rough enough to leave a mark, fucking his fingers harder into you as punishment, “he can’t leave you alone during school?”

You shake your head, unwittingly sighing directly into Bakugou’s ear when he makes your back arch, “I begged him.”

Bakugou lets out a low groan at your confession; he’s amazed that someone as aloof, practical and no-nonsense as his old teacher seems to have fallen this far from grace, fucking his own daughter at his work place, a high school, “didn’t want to cum inside of you?”

You whimper, “doesn’t want to during school. ‘Makes me drink it instead.”

He whistles as he pushes in a third finger, “damn, your dad’s a fuckin’ pervert.”

 

The lube and the way you’ve already been stretched today makes Bakugou’s job easy and it’s not long before he grabs the plug, “you ready, mutt?”

You nod and moan, trying to push back against his hand. He chuckles, “like a bitch in fuckin’ heat. ‘ve missed how desperate you are.”

Bakugou teases the plug against your hole, circling and applying pressure slowly, making you groan and dig your nails into his shoulders as he teases at the ring of resistance. He drags this on so long that you’re whispering out soft little moans into his ear over and over again, “please, please, please.”

Your clit throbs and twitches when he finally gives in, the stretch making your back arch, mouth hanging open and slack as you moan and squeeze at his shoulders even tighter.

 

There’s a snort from the door behind you, “Kacchan,” he says, voice dripping thick honey, “you didn’t even take off her clothes.”

You turn to look behind you and gasp. Midoriya Izuku, your high school History teacher and Pro Hero Deku is leaning against the doorway, mostly naked. He’s wearing thigh high socks and bunny ears in white. His nipples are covered by lacquered red hearts that stand out obscenely on his light skin, complimenting his freckles. You gulp loudly at his dick as you clench around the plug inside of you. Even rock hard, it’s too heavy to stand on its own. You can’t take your eyes off of it, eyes bulging at the sight.

His arms are lazily wrapped around his abdomen, several items in his hands before he pushes off of the doorframe. You follow him as he saunters in confidently.

Bakugou’s as quiet as you are, holding your breaths in unison as he nears you. He leans over you and you feel small suddenly, draping his chest against your back, handing Bakugou a big, fluffy collar in snow white. You try not to squeak as he breathes out near your ear, “c’mon, I need this on, Kacchan.”

It sounds desperate, the taste of impatience heavy in the way he basically whines it. Bakugou shakes his head as if entirely unaffected and puts it around Midoriya’s neck with a sigh, “desperate little cotton tail,” he muses, listening to his rabbit’s loud sigh as it clicks shut, “always such a slut.”

There’s a tension in the air, in the way that Midoriya entered the room that tells you their dynamic isn’t like yours at home; Midoriya isn’t completely beneath Bakugou at all. In fact, you think he might be even more in control than Bakugou is.

 

There’s warmth against your back as Midoriya stays there, sniffing at your scalp, feeling you squirm as he loudly sniffs your ears and down to your jaw and throat, dragging his soft nose against your skin, “what do we have here?” he asks in a soft voice, “a puppy?”

You strain your neck to give him more room with a soft whimper, “mhm,” you manage to stutter out, high-pitched and strained. When Midoriya chuckles into your skin, you stumble out a moan before you can stop yourself. That sounded so good.

You realize that he might not have been asking you. Embarrassment runs hot down your back.

“Eager,” he muses before he pushes closer against you and kisses Bakugou, “when’d you start picking up strays, Kacchan?”

Bakugou grunts out a gruff reply, “you know me. Ever the friendly fuckin’ Samaritan.”

You yelp as big, strong hands suddenly grabs at your waist, fingers spreading and squeezing. Bakugou smiles, “d’you like the uniform, bunny?”

There’s a sharp inhale next to your ear before the heat against your back dissipates, Midoriya pulling away, yet he leaves his hands resting on your sides. You squeak when he noses against the waist of your skirt, the fat of your ass, sniffing at the tail, “mhm,” he hums, “’like it all, Kacchan. Can we play together? Please?”

You can’t help but push your ass back against him, pulling out a low sigh of approval out of both men. Bakugou pushes and paws at you to get you on your knees, “sit,” he commands coldly. He whistles when you spread your hands on the ground, pushing your chest forward and ass out. Your clit throbs. Midoriya circles your body with a soft hum, letting his thigh purposefully graze your shoulders, hand dragging gently over your hair, scratching the ears as he does a final, full circle. Bakugou approves of his bunny mating behavior.

 

Midoriya then politely sits down next to you, mirroring your position. You notice that his socks have paws underneath them and you bite the inside of your cheek when your eyes travel up the length of his muscular legs. You whimper when you see the fluffy, white tail sticking out between his plump cheeks, licking your lips subconsciously. Midoriya curves his back so that his ass sticks out even more, drinking up the way that your eyes are devouring him. You feel lucky to learn that his freckles extend to more parts of his body; not many seem privy to that information. His cock twitches at your obvious thirst for him, head drooling precum onto the floor. He watches you lick your lips with your eyes locked onto him.

So he hadn’t been entirely wrong when he’d deduced that you had a soft spot for him.

 

Bakugou’s socked feet kicks at your knees, trying to make you spread them even more, “correct posture is important,” he explains as he pulls his head back to observe you. You hold your breath until your owner regards the two of you approvingly. You gather your courage and squeak out a small question, “do I call you Kacchan as well?”

Bakugou grunts as he unbuckles his belt and unzips his pants to pull out his dick. He hisses, draws in a sharp breath through his teeth as he tugs at his length and jerks his head in the direction of Midoriya, “the cotton tail calls me Kacchan no matter what I try and train into him.”

Midoriya wiggles and twitches his nose as he looks around the room, pretends that he isn’t listening at all. You suppress a giggle at his antics. He looks between you as he plays with himself, squeezing the base, dragging his thumb over the slit, precum slicking the movement from base to head. Your mouth and pussy wetting to match what you see on his glistening cock, “in a perfect world, you’d call me Master,” he licks his lips, “but you’re so stupid that it’ll be monkey see, monkey do with you, won’t it?”

You can’t remember the taste of his dick right now but you desperately want a reminder. Your underlip juts out at his words, though. He laughs at your belated frown, “so…” you sit back up and try to steel your expression at the change of tone, eyes locked onto the precum leaking from the tip, “you ready to do as Kacchan says, hm? ‘Wonder if you’ll be any good for me.”

 

Midoriya nods diligently, leaning forward ever so slightly, muscles rippling underneath his skin from his own excitement. You almost answer verbally, opening your mouth before you stop yourself and snap it shut. Bakugou shakes his head as he answers you with a mocking sneer, “you see a dick and immediately lose your fuckin’ braincells, huh? I don’t even need to fuck you before you turn stupid?”

You lose your composure for only a split second before you gather yourself; this is for Papa. Bakugou always talks like a meanie. You inhale deeply and face him, unable to mask the frown on your face. He snorts, squeezing his tip, “Izuku. Get over here.”

Midoriya immediately jumps at his owner’s command, crawling into the tight space between his legs. You feel your tongue swell in envy when Bakugou slaps his fat cock over Midoriya’s face, a soft groan leaving him when his bunny’s tongue leaps out for a taste every time it’s close enough to reach. It’s the only movement from him as Bakugou plays with his face, and it seems to be a movement tolerated by the owner. Somewhere in your mind you note it down.

Good bunny,” the hoarse groan makes the coil in your stomach tighten as he pulls back by from Midoriya, “ready to show the little puppy some of your tricks, pretty bun?”

Midoriya nods, trying to reach the dick again with his mouth, but Bakugou evades, “gimme paw.”

Midoriya reaches out with his hand, resting it on top of Bakugou’s. The blond coos out a breathless good boy that makes the bunny’s shoulders sway in excitement. He retracts his hand to his lap and waits diligently for the next command. You hold your breath.

“Now, paw.”

You watch with curiosity and hunger when he raises his hand again, this time grabbing onto his owner’s cock. He squeezes the base before he tugs at the length, sneaking you a glance and a wink. You lean subconsciously forward as Bakugou groans, “that’s it. What a good bunny.”

He lets him jerk him off for a moment, soaking up the praise and attention before he clears his throat. It’s all it takes for Midoriya to lean back and release him, toes curling behind him. Bakugou’s lips quirk into a smirk as he grabs onto the back of Midoriya’s head, “c’mon pretty bun, open up for me.”

Your teacher immediately opens his mouth and you whine as you see strings of spit between his lips, canines shiny underneath the bright lights in Bakugou’s apartment. The TV is still droning on, but you barely hear the low buzz, completely focused on the view in front of you as he easily swallows the cock like he must’ve done a million times before. The blond regards you slowly, “don’t move.” he commands you.

 

Midoriya’s throat constricts deliciously around Bakugou’s girth, the warm wetness of his mouth an immediate relief after a long day at work. He grunts out approvingly as his bunny takes him to the hilt, nose nuzzled into his neatly trimmed pubes. His hands goes to the unruly, green hair and marvels at the softness of the curls. It’s so thick that it swallows up his fingers as hungrily as the mouth swallows his dick.

He can’t get enough.

The scalp is warm, almost sizzling as Bakugou drags his nails across, the excitement rolling off of him in steamy waves.

If there’s one thing his little rabbit loves, it’s being watched.

Midoriya Izuku is not a Pro Hero for glory, attention or for anything as superficial as that. But he’s definitely Bakugou’s little fuck bunny for the attention, and it makes Bakugou’s balls tighten over how he gets to see this depravity in his childhood friend up close.

That he gets to be the one to bring it out, too? There’re few things better than that.

 

His bunny is particularly twitchy today, unable to contain his excitement over the type of audience that he has. His movements are erratic, tongue sliding clumsily over the head of Bakugou’s cock as if it’s unfamiliar strokes for him, unsure where to put his hands or how to keep his composure when Bakugou starts fucking up into his skull harder. For the untrained eye, he’s still doing a good job.

But Bakugou knows him.

When Midoriya gags around the length, you whine out loud. It makes the bunny thump his hind legs, excitement and tension jumbling into one big mess. He’s hypervigilant of every move you make, and he constantly shifts between confident and overexcited. Bakugou sees your hands twitch and skip like an impatient puppy would their paws, desperate to get in on the action.

Like a prey being cornered, he’s almost acting anxiously tense despite his experience as Bakugou’s show bunny. He fucks harder into his mouth as he tuts, “rabbits, huh?” he looks towards you, “always so on edge.”

You tilt your head at his choice of words, unable to see what he’s seeing. Midoriya looks divine sitting on his knees like this, taking his owner’s dick like he was made for it. Despite the unruly legs, he seems perfectly content in this position, hands resting by his sides. You’re warm all over, dripping onto the floor at this point.

 

Hey!”

You jump, accidentally biting the inside of your cheek at your owner’s yelling, whining. Your hand had subconsciously traveled to your clit. You just needed a little bit of relief. He tuts and shakes his head at you and you shrink in on yourself, embarrassment and shame filling you up as your posture falters. You expect him to degrade you, mock you but then he pulls Midoriya off of him to reach for your collar.

You shriek when he pulls harshly at it before grabbing your neck just as roughly, “’m sorry, ‘m sorry!” you sob as he directs you to his lap, lifting up your skirt to expose your puppy butt to him, “wasn’t on purp—”

“Aht!” Bakugou interrupts as he spanks your backside once, twice. You kick at the couch, screaming and wailing because the man holding you down is using his quirk at impact, tiny explosions hitting the fat when he does, “sorry, sorry, sorr—!”

Bakugou slaps again once more before he starts lecturing you, “did I tell you to move, huh? Did I give you permission to touch yourself? Do I have to tell you everything twice?”

You sob, eyes going to Midoriya but he’s just looking at you in a way that makes your core clench. His mouth is open, slack and drooling. His pupils are big and fat, looking at you more like a predator more than the prey he pretends to be.

Fear rises in you as you look directly into the eyes of a wolf in sheep’s clothes.

Bakugou forces two fingers into your soaked pussy when you try to crawl away and your escape halts, pushing your face down onto the couch, legs still kicking but softer now, fingers trying to wrap around the fabric. You’ve been empty since lunch today, and it feels so nice to finally feel the stretch, the fullness.

He bends his fingers just right as he sighs at you, “stop moving, fuck. Can’t even take your punishment like a good pup?”

You whine and sob, trying to will your body to calm down with a wobbling underlip, “I’m sorry Kacchan.”

Bakugou rolls his eyes at you as he spanks your ass in quick succession. He tuts as he massages the fat globes, “that’s all you hafta say? Don’t even wanna do better?”

“I do, I do wanna do better. I promise please, please.”

 

“You do as I say. You ask for permission before you do anything. Is it clear enough the second time?”

You sniffle through a nod, “yes, yes, yes it is. I promise.”

Bakugou massages your sore cheeks before he goes to the button of your skirt, “repeat back what I just told you.”

You don’t move this time, completely still on his lap. You can feel the burning warmth of his cock on your stomach and impulsively want to move yourself so that you can pleasure him. You try to shut down the thought as it comes and he squeezes you roughly as a warning, “puppy.”

You inhale sharply, “I do as you say always, always, always.” There’s no air in your lungs; your voice is so high-pitched. You hear Bakugou grunt out a good as he waits for the rest, “always ask for permission, too. Won’t do it without your approval. Won’t do it won’t do it won’t do—”

Midoriya jumps into your personal space and nuzzles at your waist, hands grabbing at your thighs, traveling up and intermingling with Bakugou’s as they cooperate in making you feel good. Midoriya whispers praise at you, good girls and that’s its rolling off his tongue sweetly, like honey. Bakugou unbuttons and unzips your skirt with a simple “atta puppy. Wasn’t so hard now, was it?”

He slides your skirt down tortuously slow, purposefully pushing the fabric roughly down over your ass to tease at the plug inside of you, your body jolting and jerking at every touch, adrenaline making the blood in your ears loud. Midoriya kisses and noses at your reddened cheeks, marveling at the handprint swelling there, licking at the parts he knows must be stinging the most.

 

“Sit up.”

You’re not sure you have the strength in you, so for a moment you try to clench your muscles to see which ones still work. The men around you seems to let you but then Bakugou suddenly decides that it’s taking you too long, once again grabbing at the scruff of your neck, manhandling you.

Your face is wet with tears, snot and spit. Swollen and frustrated, you look so hurt as your eyes catches your owner’s own. Bakugou coos at you and gently cups your face, “you can’t sob your way out of consequences here, darlin’. I ain’t your coddling Daddy or Onii-san, got it?”

He’s unbuttoning your shirt as you catch your breath. When you whimper and nod, Bakugou smiles at you, “good pup. Now, get back on the floor. Have something for you.”

He looks to Midoriya and jerks his head in the direction of the bedroom, “wanna show your new friend your toys, little bun? Show her how fun they can be.”

 

Back on your knees and heart rate somewhat slowed down again, your eyes won’t leave the door to the bedroom where you can hear Midoriya shuffling around. You’re persistently avoiding Bakugou’s gaze and he knows it, curious to see how long you’ll be jerking your head in the other direction – how long you dare to do it before you start fearing any potential consequences.

 

You shiver at the coolness of the apartment, exposed and naked like this on his floor. You’re left in your knee-high socks, knees spread and arms hugging yourself. He’s not scolding you for bad posture right now.

“C’mere,” Bakugou says softly as you wait. You barely waste a second before you’re in front of him, mirroring the position that Midoriya had earlier. He smiles at you before he speaks, “paw.”

You grab his hand, looking at him through your lashes as you wait for praise. He shakes his head, “’said paw, babypup. Paw.”

You lick your lips as you try to remember the other command, the one that sounded similar. It takes you a moment to reach out for his cock, frustrated that you don’t remember what the other one was called.

“Good pup.”

Heat travels through you. Bakugou doesn’t throw compliments at you just for the thrill of it, doesn’t do it just to please you. There’s a purpose to his praise, and it makes you crave it even more.

You don’t like it when he’s too rough with you, but something solidifies in you at the feeling and knowledge of direct consequences; he doesn’t mess around and you like how clear his directions are – you love your family but they can be confusing to please sometimes. You feel your ass tingle and squirm on your knees, body wanting more touch, more contact. Before you can stop yourself, you lean forward to rest your chin on his knee, your lashes fluttering as you look up at him. His face is really beautiful. Even if he’s angry most of the time, you don’t see a single wrinkle on him, only the deep scar on his cheek. Maybe he’ll tell you about it later.

 

He scoffs at you, but there’s a soft smile on his features nonetheless, “what is it, pup-pup?”

You’re doing something right. Excitement bubbles in your veins and the temperature in the apartment changes for you again as you nuzzles into his skin, rubbing your cheeks against him, hand still resting on his dick because he hasn’t given you any new commands. Bakugou chuckles at you, low and hoarse. Your core clenches as he reaches out to pet your head, scratching behind your droopy ears, “needy little pup, hm? Haven’t met a clingy one like you in a while.”

He squeezes the fat of your cheeks between two fingers, grabbing your nose and shaking your head gently before he pulls at your upper lip. You let him do all this without flinching, mouth slack and hanging open, with your eyes wide, staring into his own. He groans, “shit, begging to be fucked with those doe eyes, aren’t you?”

Gently and slowly, he pushes his fingers inside of your mouth. The slick sound overpowers the TV and it makes you clench around your tail, letting him explore your teeth and your gums in his own pace, still slack and pliant, “yeah…” he whispers when you only open your jaw at his demand. He pets your tongue, catching it between two fingers and pulls. You whine when he speaks again, voice lower than before, meaner too, “desperate slut. You wanna grind on my foot? Wrap your arms around my leg and hump away? ‘s that what you wanna do?”

You almost ask if you can do that, if he wants you to. If it’d feel good.

 

But you realize that showing him how much you want anything right now might just be faster – then you also won’t risk a scolding for speaking out of turn. So you let out a low moan as you move around and spread your knees more, shaky, warm breaths fanning the fingers inside of your mouth as you start rubbing your clit against the top of his food, dragging your soft pussy against the roughness of his sock, back and forth as you wrap your arm around him just as he suggested.

His pupils blow wide as the cock still in your grasp twitches and throbs. It feels so good to make him squirm, you think as you moan and lick at the hand still grabbing your tongue. He curses and pulls away from you, dragging his bangs away from his face with a hiss. For the smallest of seconds you fear that you’ve pissed him off even more, but he just seems to want to admire you better, your tongue hanging out as the drool stains his pants.

He lets out a gruff laugh before he moves his foot a little, making you buck forward and moan.

“’Think you’re the only one who gets to feel good?” he bites, grabbing your hand harshly and helping you tug at his dick, “c’mon, you know this much, don’t you?”

You move faster, both your hips and your hands as you’re finally getting stimulation to your clit. The degrading pose excites you as well, riding him harder, longer. It feels so good when you push back and it shifts the plug inside of you. You hiss and giggle as you pull back again, clit catching on his toes before you drag all the way back up, trying to pace your hand the same way, eyes locked to Bakugou’s as he stares you down as well, left side of his lip quirked up. He’s so intense it makes you squirm and tighten around your plug, wishing your cunt was full too.

“Kacchan, Kacchan,” you repeat breathlessly, reaching your peak faster than you’d like to admit, opening your mouth and biting down onto his knee because it’s almost too much, “you need a chew toy, huh? Pup’s teeth are itchy?” He inhales sharply and grabs your head, forcing you to bite him harder as he scratches harshly at your poor scalp, “fuckin’ bitch in heat. Feel better, that’s it…c’mon, that’s it. Use me but don—”

There’s this soft, playful laugh behind you and it’s all it takes for you to cum, sight going misty with tears as the humiliation catches on, still writhing and grinding against the moist sock underneath you, juices dripping and slicking up your grinding.

Bakugou lets out this long, disappointed sigh. You sob, hiding your face in his legs, but you don’t still your hips. His soft playtime seems to be over.

 

He tuts at you as he pulls your hand off of his dick, “puppy…”

You feel ice down your back as you sniffle. “Pup, look at me.”

You cling harder to his leg, clenching your eyes shut. Bakugou grips your head and you brace for the harsh pull that you expect of him, but he just tugs at you with enough force to make you feel it, not to move it.

But then he speaks again, harsher, colder this time.

“I said look at me.”

Your head snaps up and you face him, cheeks hot and wet. He looks angry, arms now crossed on his chest, “that was very bad of you. I didn’t give you permission to cum.”

You bite your lower lip, “’m so—”

“Kacchan,” Midoriya speaks behind you as he saunters in, “can you really blame the little puppy? ‘s all new to her.”

You jump when he grabs you from behind, digging his nose into your skin like before, as if claiming his stake on you, “she’s just a baby.”

Midoriya’s hands goes to your chest, big palms engulfing your mounds, “she’s just so excited to be your little pet.”

He’s kissing at your neck now, and you can feel his hard cock against your back. Bakugou rolls his eyes, “yer don’t have to fuckin’ protect her. She won’t learn shit from that.”

The bunny sighs directly into your ear, and it makes you shudder and push back against him, head resting on his shoulder. He catches your small form easily, “aw but look at her,” he cups your tits harshly, “she’s not the smartest, right? You know how hard thinking is for her.”

 

Your owner clicks his tongue as Midoriya shoves his own tongue inside of your ear. You whine, cunt dripping onto Bakugou’s foot still.

“She looks so pretty when she’s needy, Kacchan. I saw how you looked at her.”

You carefully turn your gaze to your owner, amazed at Midoriya’s effect on him. He wasn’t like this at all the last time you saw him.

He squeezes your tits close together and you feel how he’s slowly, discreetly rubbing his own dick against your backside. You bite back a whimper at the realization; Bakugou might get angry if he finds out. Bakugou groans before he moves his foot away from your pussy, only to kick at your stomach and making you shift your weight and fall completely onto Midoriya who seems to have expected the change of pose, your legs spread before him, pussy exposed.

You moan as he starts dragging the bottom of his foot over your cunt, “spoiled little bitch,” he grumbles, pushing his toes against your clit harshly, “absolutely fuckin’ ludicrous how everyone fusses over you, ‘s getting ridiculous.”

Midoriya starts pinching your nipples, “don’t listen to him baby, you’re doing so well. I know how stupid you are, right? I grade your papers, after all.”

He leaves wet, loud kisses all over your skin as Bakugou moves you back and forth how he pleases, anger painting his features, “so that’s it? Huh? Puppy?” he pushes harder against you to regain your attention, “you’re just too dumb to train? Too brainless to understand a few commands?”

You frown before you shake your head, “’can so.”

He smirks, “yeah? Prove it, then. Take your punishments like a good dog, don’t let weaklings like my bunny corrupt your mind.”

Midoriya pinches your nipples especially hard, making you arch your back before you huff and puff, getting back up on your knees, looking to Bakugou with conviction, “Punish me, Kacchan.”

 

Bakugou laughs, loud and booming before he gets up, “alright, baby. Get over here.”

You watch him set up a pillow on the couch and put a long electronic device there. You don’t recognize it, but he straps it to the pillow and pats it, “sit.”

Midoriya pats your ass to spur you into action, and you get a closer look at the contraption he’s made. It’s like a fat stick with a big, rounded end; you have a feeling of what it might do, but you’ve never seen one before. You look at Bakugou who grins at you, “c’mon, ‘s punishment time, mutt.”

He guides you to straddle the pillow and then readjusts his set-up so that the rounded end is directly touching your clit. “When I turn this one on,” he taps the machine twice, “you’re not allowed to move away from it – you can cum, but don’t move. Understood?”

You lick your lips and look to him with a nod. He gives your cheek a light slap, “understood?”

“’m not allowed to move away from it,” you repeat, resolve evident. Bakugou smiles and leans down to kiss you, “that’s it. Good pups sit still, yeah?”

You moan unexpectedly as he licks at your mouth, grabbing the pillow harshly as he has his way with your mouth. You’re reeling because it’s so unlike him. He’s such a good kisser. There are strings of saliva between you when he retreats, “now be a good pup for me and there’ll be more of this.”

You swallow thickly and now, eyes following him hungrily as he saunters over to his bunny and pets his head, “want some attention, pretty boy?”

Midoriya headbutts the hand and pants, “please, Kacchan.”

 

 

Please,” Midoriya moans as he licks at Bakugou’s face, nuzzling his nose against any part of Bakugou that he can reach while sitting on his lap. His voice is raspy as he ruts harder against his owner, their precum mixing and making both cocks glisten. You watch sweat trail down from Bakugou’s temple as he tries to keep his composure but with such an eager bunny frotting against him, it’s proving hard.

You’re so close to cumming for a third or fourth time, the wand underneath you unrelenting. You’re squirming and biting your lower lip, moaning and grabbing onto the edges of the pillow so hard that your knuckles are white,

But you’re not moving away.

“Please Kacchan,” Midoriya continues begging, drooling down his owner’s chest, “lemme fuck you, lemme—aah, fuck you, please, please, lemme fuck you.”

His voice is high-pitched and desperate, his cock drooling so much he might’ve already cum once, you’re not sure.

“C’mon, cotton tail,” Bakugou laughs as he squeezes their dicks harder together, “your bunny parts ain’t big enough to do the job.”

His bunny sobs, “I promise, it’s—hnng, big, please, I promise. It’s big enough so lemme feel you. ‘s big, big, biiiiig.”

You lick your lips. Midoriya’s bunny parts are bigger than Bakugou’s and it’s making you drool. The bunny hides behind his paws but he doesn’t stop fucking against his owner, eyes squeezed shut to stop his fat tears from running down his red cheeks. He’s whining something behind his hand but it’s not coherent enough to be understood. You grind down onto the wand to change the pressure that’s constantly against you, constantly pushing you over the edge. When Bakugou looks at you, you cum around nothing, eyes rolling to the back of your head as you stutter forward a little, breaths coming in short, tongue hanging out. He coos at you, “time for a change soon, isn’t it? You’ve been doing so well.”

You almost scream when he touches your arm. You’re sensitive all over, like the bundle of nerves between your legs are suddenly connected to your entire body. He turns off the wand before he cups your face, “that’s it. C’mon, you deserve a treat, don’t you?”

 

Bakugou lifts Midoriya off of his lap and the bunny sobs but otherwise follows along. As Bakugou pulls out a strange, torso shaped thing out of the big box that Midoriya brought from the bedroom, the bunny is shifting from foot to foot, impatient and twitchy, hands still covering his mouth.

He’s so beautiful like this that you can’t help but stare. Before you can stop yourself to push your sensitive clit against the wand, even though it’s turned off.

 “C’mere my beautiful bunny,” Bakugou says and directs Midoriya onto the floor, “here’s your toy. Can you play nice while I reward the pup, hm? Can you?”

His eyes are glazed over as he leans into Bakugou’s space and demands a kiss, “I can, I can do t-that.”

Bakugou grins as he pours lube onto the bunny dick in front of him and guides him into the fake pussy, the squelch obscene, “that’s it. This one fits your tiny bunnycock so well.”

You whine as he bottoms out.

It could’ve been your pussy.

Bakugou pushes at Midoriya’s backside through a few thrusts, guiding him to fuck the doll properly, “that’s it, bun-bun, that’s it. All the way in, yeah, just like that.”

Midoriya seems to find his pace as he fucks the doll hard, eyes unfocused and drool dripping down onto the floor. You sob and grind down onto the pillow, subconsciously matching the pace that your eyes are locked onto.

 

You jump when Bakugou grabs at you, “so…” he observes you with pride written on his face, “…you really aren’t too dumb to understand an order, huh? That was well fuckin’ done.”

You let out a relieved laugh, squirming under his gaze like a flustered child. It feels like your body has no borders, light and floating as he pulls and pushes at you, sitting himself on the couch directly in front of his bunny, pulling you to face himself on his lap.

You look back at Midoriya and moan; he has a direct view of your plugged ass. He fucks the doll beneath him faster; eyes laser focused on you. His fingers are splayed out, big and wide as they grip harshly onto the softness of the toy that he’s playing with.

Bakugou grabs your jaw and forces you to face him, “hey, eyes here darlin’, ‘m the one about to fuck you.”

You almost cum at his promise.

He drags his hands over your folds, softly groaning as he feels the velvety soft flesh between the pads of his fingers. When he circles your hole, you get impatient, rotating your hips to try and force him inside. He pulls roughly at your collar and warns you, “hey.”

You whine out an apology. Bakugou snorts, “puppy just wants dick, hm? Don’t care about the prep?”

You shake your head as well as you’re able, your owner’s grip still tight on your collar, “n-no, just need you, need you inside,” as you say it your hands find his cock, hoping to guide it the same way that he guided his bunny into the fake pussy, “need you in here.”

He lets you do it with a curious gaze, “you really are a monkey see, monkey fuckin’ do, huh?” he’s laughing at his own joke before he releases the grip by your neck, “sure, kid. You’ve earned this after all. Lemme feel your little puppy cunt.”

You sink down slowly on his cock as he raises his hands behind his back, moaning at the fat head breaching you. You hear Midoriya moan behind you and jump. Bakugou hushes you, “ssh, baby, ‘s just the bunny. He likes watching your pretty pussy swallow me up, so c’mon, take me like a good bitch. Show me how much you need him by squeezing around me, got it?”

You whine and nod, frantically trying to get him as deep inside as possible in one go, clenching and throbbing at the stretch. You’d forgotten how hot his cock is, how thick.

Your tail wags with all your clenching and jumping and it makes Midoriya fuck the doll harder, the squelch so loud that he can’t hear anything else. Cum and lube spits out pathetically but he can’t stop moving.

The bunny is no stranger to marathon fucking, to multiple orgasms and to lose it when he submits to Bakugou but his mind is frazzled today, frenzied desire coupled with the fact that he just saw you in History class earlier. His mind is running through every scenario, every fantasy and every possible way that your tight little pussy could serve him at school.

His dick spurts out cum pathetically again as he thinks of using you for the general sexual education. He desperately grabs and paws at the fake tits on the doll, hips aching from the thrusting but it’d be more painful if he stopped.

Your ass jiggles every single time you fuck down onto his childhood friend’s fat dick, back arching beautifully and cunt drooling down onto Bakugou’s balls. He imagines licking it, your tail hitting his head with every thrust until he loses it and pulls it out aggressively and replace it with his own bunny dick.

 

“Feels good—ah, feels so good, Kacchan.” You’re bouncing within an inch of your own life as Bakugou simply observes you with a nonchalance that makes you tighten around him, walls massaging him, “mil—milk, need milk, Kacchan, Kacchan, please.”

You’ve cum so many times without milk, ‘s only fair, right?

 

You cum once, twice more before Bakugou suddenly pulls you off of him without a word, only a knowing smile. You cry out for milk, for your reward.

He clicks his tongue and slaps your cheek, “you got your reward you greedy little slut, you got a cock, yeah?”

You look at him with your underlip jutted out. You wanted his milk, too. He rolls his eyes and puts you on the couch, “yer gonna need to impress me a little more to get me to cum, don’t you remember?”

You do. You whine as you remember how he didn’t want to cum inside of you at first back when he had sex with you the first time, explaining how you had to earn that sort of thing. You paw at the couch with a groan, “’s not fair,” you sob. Bakugou snorts, “you’re just greedy, sweet pup.”

And that’s the end of the discussion. He pulls out a weird, textured mat and puts it on the floor next to Midoriya, securing it with suction underneath. You tilt your head in curiosity as you observe the tentacle-like shapes on the bumps, wondering what it’s for.

He pats it with his palm, “come down here pup, bunny wanna show you his toys.”

Midoriya’s back arches with a whine, looking at you with his tongue lolling out. Your owner directs you to sit on the doll that Midoriya is currently humping into, “sit on the tummy, yeah, like that.”

You gasp when you feel Midoriya’s cock against the form, pressing against your cunt, “look at him, so energetic, isn’t he?”

You take a close look at Midoriya. His eyes are unfocused, cheeks burning red and chin wet with drool. Bakugou pets his back, “this pretty little one bites if he’s under stimulated, but this toy helps him calm down.”

Bakugou gently cups the back of your head and pushes you forward, “he’s not biting now though, is he? Can you check?”

You want to kiss Midoriya. Every time you feel the head of his cock bump against your pussy, you feel empty. Maybe a kiss would help. You look to Bakugou, “lick his teeth, see if he bites.”

This is an order. You swallow thickly and give his lips a light peck. Bakugou laughs at you, but you don’t feel comfortable just shoving it in there. He kisses back eagerly, pushing his face onto yours with a moan, licking at you.

“Into his mouth,” Bakugou reminds you, and when you lick inside his mouth, his entire body shudders, his hips stuttering as he cums again. You whine but continue to lick at his mouth, his teeth, his tongue.

All that spilled milk.

 

Bakugou praises both of you, “you think he deserves to be fucked now?”

You’re just about to answer when a loud ringtone blares through the room, making you jump. Bakugou grins at you, “get down on the mat, y’all can play with toys just fine while I’m gone, yeah? Be good for me.”

Then he gets up, dusts off his pants and puts his dick back into his underwear. You whine and reach out for him, but he kicks at the mat on the floor, “on to it, pup. Won’t repeat it again.”

You scramble to get off of the sex doll, already missing the thrusts against you, even if they didn’t penetrate you. Midoriya whines too, head following you for a moment before he snaps back to focus on the toy.

“I’ll be back after this phone call. Let your toys entertain you.”

 

Shakily, you push your sensitive pussy down onto the mat, letting out a surprised whine.

It feels really good.

You’re so sensitive, clit so spent that it feels raw, but the tentacle-like bumps on this are soft, comfortable. They move around with you, and it makes you grind harder, trying to see if they can reach inside of you. You shudder and pant, listening after Bakugou as he leaves the room, phone in hand.

Lazily, you move back and forth, hand going to your chest to play with yourself, trying to find a rhythm that feels good. You shiver when you look to Midoriya and finds him rock still against his toy, breathing heavily.

 

He’s staring at you.

It’s the same look he gave you the first time that Bakugou punished you.

He licks his lips as he watches your hips speed up, “feelin’ good, puppy?”

You nod, moving forward to experiment which part of this mat that feels best. It all feels so strange, so out of this world that it excites you even more. He sighs, “’s one of my favorite toys as well.”

Your hips stutter as you imagine him using it, “you use this one?”

He nods, slowly starting to thrust into the doll again, hands shaking as they grip the fake hips, “yesterday.”

You lean closer to him with a whine. For some reason you hope that he didn’t clean it; it’s like you’re directly against him suddenly. “Midoriya-sensei,” you moan, pushing your breasts together, “d’you like me?”

Your teacher groans and thrusts into the doll hard, bottoms out and stays there, “’like you so much. You’re the cutest puppy that Kacchan’s ever trained,” he confesses, mouth running, “he’s trained a lot of b-bunnies mostly, since he likes the energy they have, but he also once trained a kitten; but he also really likes puppies. Yesterday he promised me you’d be very fun to train.”

You like it when he rambles, riding the tentacle harder, pretending you’re in class, hole clenching at the thought of doing this in front of everyone.

Showing everyone that Midoriya-sensei likes you the most.

 

Your eyes flutter shut for a moment at the visual. The squelch of the wet hole he’s fucking takes you back, “p-please, call me Izuku when ‘m a bunny, please?”

You almost cum at the request, mouth opening, “call you anything, ‘ll call you whatever you want, Izuku, bunny—” you moan as you reach out for his hand, “am I fun to train, bunny?”

He smiles at you, squeezing the hand in his, “you’re a dumb puppy,” you deflate a little before he continues, “I like those the most.”

You’ll stay dumb forever so that he won’t stop looking at you.

“But you’re doing good for your dad, you wanna make him happy?”

You nod desperately, head going up and down, up and down, just like your hips are going back and forth, back and forth.

“Love Papa so much, ‘m his puppy, he owns me.”

Midoriya leans over the distance between you and kisses you, wet and messy, “you’re Kacchan’s right now, you’re my toy today.”

You nod and let him do whatever he wants, “God, I could fuck you right now,” he groans into your neck. You freeze; can he? Would Bakugou be angry? After all, Midoriya isn’t at the same hierarchy spot as you. Maybe he can do things without permission, too.

He grabs at your hips, guides you on the tentacle, making you shudder and moan. He bites at your neck – didn’t that mean something when he bit?

“Puppies like you needs to be full, right? Lemme fill you, I could fill you.”

Your mind is hazy, grinding ever faster onto the little toy underneath you, paling in comparison to a real, fat cock that could give you milk. The one you want currently fucking some lifeless plastic.

“You wanted cum, right? I’d give it all to you, fuck, I’d cum in you until you had a bulge.”

He presses harshly at your stomach, “right here, in your sweet little tummy, I’d make such a pretty bulge.”

You cum at the prospect, sobbing about how empty you feel. Midoriya hushes you, “don’t let Kacchan hear you, but you want bunny cock? I’ll give it all to you.”

 

You don’t know this, but this is another of Bakugou’s dirty training tricks. Midoriya is doing this at his behest; he doesn’t ever fuck the person they’re training to be pets. He’s usually just for show, for inspiration. But fuck if his cock doesn’t spurt out pathetically at the thought; he bets your young pussy would grip so tightly around him, thank him for giving you his milk. It makes his eyes roll back.

He hasn’t ever tried fucking a real person as a bunny. He’s never wanted it more at this moment. He wants to breed.

He hopes that you cave and let him.

But you suddenly pull away from him with a soft whimper, “Izu-Izuku I can’t, wanna be—hnng, good for Kacchan so Papa will love me.”

You grind hard onto the mat underneath you, “’m sorry Izuku, don’t wanna disappoint Kacchan.”

Midoriya’s proud of you, but Izuku the Bunny is frustrated, annoyed. He fucks the doll underneath him harder as you sob, “’m sorry Izuku, ‘m sorry.”

He jerks his head away from you, grabbing the chest on the doll underneath him, as if silently telling you that it could’ve been yours. Your miserable whine tells him that you understood as much.

 

You’re about to say something when Bakugou re-enters the room with a smirk, enjoying the fact that you didn’t falter, and kept to his command.

He bends down between the two of you, petting you both at once, “hey babies,” he says. His voice makes you feel hot, burning underneath the skin, “had fun without me?”

You headbutt his arm, “nuh-uh,” you reassure him, “just the toys.”

He laughs, “’s that so? What about you, Izuku, had fun?”

You watch with big eyes as Midoriya faces his owner, “tired of the toys, Kacchan.”

 

Bakugou laughs, low and raspy before he gets back onto the couch and pats his lap, “come here and get a treat then, bunny.”

Midoriya scrambles to get closer to the blond, wincing and hissing as he pulls out, cock sensitive and raw. Your eyes are locked onto the way his cum drips out of the toy.

You don’t see nor hear the play between the two men, whining and grinding onto the toy as you see the spilled milk. Bakugou kicks your knee, “drink it then, don’t wanna hear you howl all night, shitty mutt.”

You barely take the degrading nickname to heart, scrambling to kneel in front of the toy, “clean it up properly, then.”

 

And you do. Licking and slurping hungrily, desperately. Midoriya’s milk is so thick, so potent despite how many times he’s already cum.

Like a true bunny, you think.

You wonder if he really would give you a bulge and moan, swallowing the last drop.

 

You look up to Bakugou when you’re done, surprised to find him smiling at you, “what a greedy fuckin’ pup. Did it taste good?”

You nod, nod, nod, nod, “yes, Kacchan—tasted so good.”

He throws his head back and moan, pushing Midoriya’s head further down onto himself. Before you can stop yourself you cry out loud when you realize that he’s cumming, suddenly feeling alone and left out.

You’re only supposed to get scraps?

You whine, underlip shaking as you hear Midoriya slurp up the last drops before he wipes his face with his arm, “Kacchan,” he moans breathlessly. When he tries to lift his head, Bakugou forces him back down, forcing him to choke on his half-hard cock. The bunny’s legs kick and thump behind him.

“Did mine taste good?” he asks his pet when he allows him to breathe, and Midoriya nods quickly, “yes, than-thank you, Kacchan.”

He grins, “good.”

 

Midoriya turns around to face you. He looks completely fucked out, a curly smile on his lips and eyes unfocused for a moment before he sighs, “she deserves milk soon, Kacchan.”

Bakugou snorts, “you really think this shitty mutt did a good job?”

Midoriya punches at his leg, “’course she did, Kacchan! Look at her, you can’t let it end on her sobbing like this. She did so well all day for you.”

You straighten your back and spread your knees; back to the correct posture that Bakugou likes. He grins, “mount her, then.”

Everyone freezes at the command.

Midoriya, who was slouching on the ground with cum dribbling out of the corner of his mouth says nothing, does nothing. So you pause, too.

Bakugou pushes roughly at the back of his bunny’s head, “c’mon, mount her. Show her how a bunny breeds.”

Mechanically, Midoriya moves his head to look at Bakugou and you deflate. Does he not want to fuck you, after all?

Bakugou shrugs and lifts his head, “look at her, she just slurped up every drop of your fuckin’ cum; she won’t be happy with a taste of mine.”

 

They look at each other in silence, but their expressions keeps changing, as if they both had mind-reading quirks and communicated telepathically. You feel yourself get antsy, front paws thumping gently, shifting your weight around until suddenly Midoriya turns back around to you, eyes glazed over.

“You want that, pup? Want me to breed you?”

Your mouth hangs open slightly as you nod.

Bakugou yells over his bunny, “color?”

You bend over, “g-green. As green as the hero Deku.”

Both men curse out loud.

“Turn around, present in this direction.”

 

In Midoriya’s mind, you’re turning around way too slow. His pulse is quickening with every second that passes, cock drooling onto the floor, sweat dribbling and every muscle shaking to keep his composure.

You lift the tail over your back and spread apart your cheeks so that your soaked pussy is visible, “breed me, Izuku.”

Bakugou coos, “that’s it. Good fuckin’ pup.”

They watch your hole clench around nothing before Midoriya springs into action. He’s ashamed to admit that he used One For All to get over to you as fast as possible but holy fucking shit.

You lift your ass and arch your back more to better accommodate Midoriya’s size and Bakugou smiles, “biiig stretch. That’s it, good puppy, take my bunny.”

 

Midoriya gasps as he enters, damn nearly combusts as soon as he’s halfway inside of you, letting go and having the most satisfying orgasm of the day; his upper body falls down onto yours as he bottoms out. You welcome him perfectly, exactly how he envisioned that you would.

He’s starved for a fertile young cunt like yours to breed. You throb around him, hot walls squeezing and clenching, sucking him in like you never want him to leave. The squelch is loud and obscene as the bunny fucks the dog.

Bakugou fucks his own hand at the show in front of him. Midoriya is letting loose, fucking you like an animal. You barely have oxygen enough to let out any moans, trying your best to stay on all fours for the hungry bunny above you.

Midoriya is also deathly quiet, completely focused on fucking as much cum into you as possible. Bakugou squeezes his base, “puppy cunt feels good? Gripping you right?” he asks Midoriya, well aware that he’ll barely get a full sentence in return.

The bunny throws his head back, “so—so good, fuck. Should’ve f-fucked her ages ago.”

He’s pushing at the back of your head, forcing it down onto the cold floor but you don’t care, grinning and giggling at finally having both cock and milk inside of you. It feels like you’ve been cumming non-stop since the head of his dick kissed your entrance.

Said head is currently worshipping your cervix, as if begging to be let in. The breeding would be ensured if he’d just be allowed inside, to deposit his seed directly into your willing baby-making room.

“Yeah, been looking at her for long?” Bakugou asks and it’s unfair how calm he is when Midoriya is seconds away from using his quirk to fuck you faster, harder.

“K-Kacchan, Kacchan, please,” he drools out, looking back at his owner, “’ll do anything, don’t ever send her home. Wanna be in here,” he bottoms out inside of you, “in here forever.”

It’s not fair that Bakugou just chuckles, “no need to get greedy, bun-bun. You’ll see her at school on Monday, right?”

 

It makes Midoriya groan, but he fucks you harder, nonetheless. You’re almost closer to the TV now than Bakugou. Your knees must be red and sore. Your arms cave under the weight of your teacher’s body and it’s only thanks to his arm that your ass is still sticking out for him to fuck, fill, breed.

There might be a reason that Bakugou doesn’t let him fuck anyone when he’s in this subspace, somewhere in the back of his mind thinks. It feels too good to let loose like an animal.

“Can’t keep her bud, Aizawa-sensei would kill us both.”

Midoriya sobs. If he can’t keep you, he’ll at least get the most out of it.

 

Bakugou curses when his bunny starts lighting up blue, indicating the use of his quirk, Gearshift. He rolls his eyes and jumps up from the couch to at the very least check up on you.

As he kneels in front of your face, you moan and reach for him with your hand, “color?” he asks again, softly.

Your eyes roll to the back of your head, “ye-llow if I—ah, can’t suck y-y—hng-ou off, Kacchan.”

Jesus fucking Christ.

“Get up, then,” he says as if his dick isn’t about to explode at your demand. Can’t have you not be green.

“Hey, cotton tail,” Bakugou calls to Midoriya and pulls at his bangs, “relax a sec’, gotta have her repositioned so you don’t break her fuckin’ back.”

Both pets whine and howl when Bakugou starts moving everyone around. The bunny even cries out when you’re lifted off of the ground and onto the couch, where he places you on your stomach still. He pats the spot behind you, “hop up, bun-bun. Unless you’re finished?”

Midoriya pouts at the jab but doesn’t comment on it. Bakugou half-expects him to use his quirk to get to you faster, but surprisingly he crowds his space first, kissing him like his life depended on it, “thank you, Kacchan,” he whispers before he crawls to the couch and gently pets you down the back, enjoying the way you shudder, “c’mon puppy, c’mon,” he whispers as he gets you back on again, groaning at the way you swallow him so desperately, so hungrily.

This cannot be the last time he has a taste of you.

 

Bakugou walks over to the armrest where he placed your head and you sob and drool as he gives you his dick, “hungry little fucking puppy. Desperate to be bred, huh? Gonna give me hybrid pups?”

You barely listen to him at all, moaning and groaning at the taste of his cock, a pacifier for your mind. Midoriya leans over your body, grabbing and pawing at you as Bakugou leans down too and kisses his bunny, hands buried in your hair. You’re so happy to be of use to both men, so happy that you succeeded in being a good puppy.

You cum around the cocks as you think of your Papa and your Onii-san.

 

///

 

You blearily look around the room as you come to and Bakugou coos at you, “there she is.”

He sounds so gentle, so sweet. Then he comes into your space and you realize that you’re on a bed wrapped in the softest blankets and pillows. You feel clean and not at all sticky.

He kisses your forehead, “Imma take off your collar now, yeah? ‘Wanted to do it earlier but wanted you to be aware of the action. It sorta means something.”

You hum and look around. Bakugou chuckles, “Izuku’s right here, sleeping too.”

You nod and look at Bakugou, “will Papa be proud of me?”

Bakugou smiles and kisses your cheeks softly, “’course he will. You’re his perfect, little girl.”

You stare at him with those doe eyes of yours that he can’t handle, “was I a good puppy, Kacchan?”

He leans down to kiss you as he unbuckles the collar, “you should come back here for remedial training, but…”

He puts the collar on the night stand, “you’ve the potential to be my best puppy yet.”

 

 

Notes:

DID YALL ENJOY IT. im giving u all giftbaskets for reading it anyway!!! mwuah!!!!!

if youre reading this work and thinking "..but jiji.... baby sis barely did any of these tricks in the birthday fic?" i have one (1) answer: SHE WAS SUPPOSED TO FORGET THEM! i have them planned in a mini chapter where shinsou basically goes "did she show u her tricks?" when he gets back home (bcos bkg told him how the training went) and aizawa goes "huh..... no, she did not. that begs for.. punishment." :3 as several people have told her in this series, shes sorta dumb<3 my beloved idiot

i also felt like this went in so many directions for me. pet play (for me) is very much a lot of PLAY and foreplay and less about the sex itself, but im not sure i managed to showcase it exactly the way i wanted to here. luckily, ill have a lot of puppy!reader to write when aizawa takes over the training ;3 delicious.

the villain parts are also soon to be done and then we'll be back in a normal timeline, i prommy <3
AND WITH THIS WORK, "A BROTHER'S LOVE" SERIES HAVE REACHED 100K!!!! WHWAT?!?!!??!?!?!??!?!?!?!??!?!?!?! THANK YOU ALL MWUAH FOR UR SUPPORT!!

as always let us share the horny agenda on twitter, my handle is @remasteredlemon !!! send me weirdly specifics anonymous asks in the strawpage attached to the account or dm me whatever nasty fantasy you wanna see baby sis in (or if you have another idea that isnt this series?) IM OPEN IM OPEN IM WILLING this series had NOT been written past part three had yall not shared your nasties with me i love you all so much !!!!!!! i have gained several friends from this work and like. ilysm :(((( u making me sob and smile smmmmmmm mwuah1!!

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