1 - 20 of 913 Works in Animal Midoriya Izuku
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Wool over their eyes. by Evilkat23
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
17 Nov 2025
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Hatsume Mei accidentally made a machine that opened the multiverse...
No. Seriously. She did and Izuku helped her, now there are too many Izuku's to count! But let's try: There's Isao, Izumi, Mrs. Shinsou and her two children, Hitoshi and his cat (Izuku, but called Mushroom.) Athos. Aizawa Izuku and his crazy quirk called Cujo. And an Izuku with a healing quirk. Way too many who don't belong here. So, while Hatsume tries to recreate the machine that broke the others get to know one another...
but...what they don't know is that there's a villain amongst them, and that villain wants something. Something that doesn't belong to them and they won't stop until they get that something and they're not alone.
Series
- Part 7 of Multiverse
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It's your body, not theirs. by Anonymous
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
17 Nov 2025
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some of those tags aren't present yet but they will be. honestly the vegan stuff is a lot more important than them being nonhuman
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Bite me, Bunny by pissramune
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
16 Nov 2025
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At UA High, popularity is everything—and hybrids rule the hierarchy. Bunny hybrid Izuku Midoriya sits at the very top: flawless smile, perfect grades, and a crowd of admirers who hang on his every word. He’s untouchable. Unshakable. The golden boy no one dares to cross.
Then comes Katsuki Bakugo—a transfer student, a wolf hybrid, and a walking storm with no interest in playing nice. When his arrival shakes up the carefully constructed balance, he finds himself pulled into Izuku’s glittering, ruthless world of cliques, whispered secrets, and hidden claws.
But the more Katsuki pushes against Izuku’s perfect façade, the more cracks he finds beneath the surface. And soon, the wolf realizes the bunny everyone worships might not be as invincible—or as heartless—as he seems.
In a school where survival depends on image, instincts, and power, one thing is certain: only the sharpest teeth win.
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Birthday Preperations by ochinchins
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
15 Nov 2025
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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!
Series
- Part 15 of A Brother's Love
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Shifting Hearts by moonkissz
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
14 Nov 2025
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Katsuki's patience is wearing thin as he faces the unexpected presence of an alpha who seems determined to stay with him and his pup. Despite Katsuki's refusal the alpha persists, showing an unexpected side of vulnerability and devotion. As tensions rise, the truth about the alpha's feelings slowly begins to surface—he’s willing to sacrifice everything for Katsuki. Will Katsuki finally give in to the bond between them, or will his stubbornness keep them apart?
fluff and baby fic. IT'S CUTE.
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Nine Lives by Darkyrie
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
13 Nov 2025
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The only dream Izuku has ever had was to be a hero, but he can't even save himself from the pains of living as quirkless child in a world that only wants to see him gone. Izuku decides to give them what they want in more ways than one. He wakes up to find he has a cat quirk that gives him all the abilities as a cat (but better), but there's something else.
Cats have nine lives...and apparently so does he.
Izuku decides to leave that life behind and find his freedom to become the hero he wanted to be and wanted for himself. If this means begging for food as a stray from old ladies and becoming a mysterious vigilante then so be it. He'll need to train his new quirk after all. Despite thinking no one would care about him, Izuku meets Shouta Aizawa. A man who loves cats and a hero who wants to find peace for a kid he's never met before.
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Izuku now knows without a doubt that he was always meant to be a hero. Perhaps he can make the world a better place where everyone is treated equally and he can save people before they fall out of the cage before their wings are ready to fly. Or in his case, claw his way out of the hole everyone, including himself, dug for him to die in. -
Green Hare, Red Maw by wazzzup
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
12 Nov 2025
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All for One could never accept Yoichi's death and created a new, better version of his late brother, only to have the boy ripped away from just like all those decades before.
All Might will do anything to protect his new son from All for One and the world at large, while working hard to raise the boy to grow past the conditioning and suffering he'd been put through at the hands of All for One.
Series
- Part 4 of Oh God, My MHA Phase is Back
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A little kitten in a big world by Mrs_Galaxy_M
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
12 Nov 2025
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“Calm down,” Aizawa murmured, his voice low and soothing. “You’re safe here.”
'Safe?!' Izuku thought wildly, his ears flattening again as he stared up at the two pro heroes, who were now watching him with curiosity and concern. 'How am I supposed to be calm when I’m literally in the house of two pro heroes?!'
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Izuku has a quirk that allows him to turn into a cat, but as of now...He's kind of stuck like this, like a cat, for /months/. It's fine, though, it means that now he can't be chased by Eraser-Head! After months of running away from that man, he would never suspect he was a cat! He thought he cheated the system, except that being a cat—a kitten—is harder than being a human. And so he got pretty roughed up when a rock was thrown at him, and many other things piled up the same way snow or trash piles up on the street.
After an altercation with a dog that left him on the brink of death, a cat dragged him to the house of a human
Out of all the faces on this planet, why Aizawa's? -
Adopt me, sensei! by TheTwilightSystem
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
12 Nov 2025
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Goddamn it, how did he always get into these situations?!
2 hours ago, Izuku was out shopping with his friends. Not even at a mall, Ochaco had heard about a farmer’s market going on that day! But of course, as always he just had to get attacked.
At least it wasn’t Shigaraki. No, instead it was some random villain, though her Quirk was unknown. His friends had gone back to UA just 30 minutes ago, which meant nobody but him knew what was happening. And now, she had him cornered, in an alleyway.
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Between Paws and Feet by RibOpener
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
05 Nov 2025
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Pistachio is a cat, he always has been. Pistachio is worried about his human, his parents have kicked him out of their house. Pistachio tries to help but his human scolds him. Pistachio is not good at being his human's cat, Pistachio will make sure his human has good parents, he just has to find them.
Pistachio loses Hitoshi -or rather, Pistachio gets lost-.
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Izuku is a... cat?. Only he's not really. While grappling with an identity crisis, Izuku tries to save his human -no, his friend- from homelessness and take him to the good black and yellow humans -no, Shouta and Zashi- that he proudly found and are perfect for his human.
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What the Meow by MoonlitMidnight12
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
04 Nov 2025
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Midoriya is now a cat, thanks to some girl's quirk. He finds his way all the way to Katsuki's house—and convinces them to keep him, if only temporarily. What will happen when everyone finds out the Midoriya they know is missing?
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Cat Izuku by Anactualgenius
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
02 Nov 2025
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It's in the name, Izuku gets hit by a quirk and becomes a cute little cat.
Everyone just can't get enough of him.Series
- Part 15 of Mha Oneshots
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Schrödinger's Green Cat by TeaVillain for Manfedzku
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
31 Oct 2025
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Shinsou once told Izuku that he wanted to become a cat. His existence would be carefree, all his needs would be met. He would be fed, he could sleep half the day with impunity, and he would get free scratches. He wouldn't have wished for a more relaxing life.
Izuku, who now had first-hand experience, couldn't agree with him in the slightest.
He didn't feel relaxed at all.Or: Midoriya Izuku disappears unexpectedly, Eri finds a green and very friendly cat, and Aizawa... Aizawa changes his mind. His students are angels, actually. This creature... is a menace.
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Birthday by Katsukiizuku
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
29 Oct 2025
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Two Packs, One Love by Wavre13radieuse
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
28 Oct 2025
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Irritated, he heads toward the den's entrance, seeking to escape the family cocoon that exasperates him.
But as his warm paws touch the icy snow, a shiver runs through him.
The frigid winter air, however, gives him a sense of freedom he cherishes.
Other pack members cast meaningful glances his way, silently advising him not to linger outside for too long.
But Katsuki doesn’t care.
Why should they tell him what to do?
He lives his life as he sees fit, and their opinions mean nothing to him.
He ventures out alone, ignoring their warnings.
But as he walks, a distant murmur catches his attention.
The sound is familiar.
“Kacchan.”
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Can't find home (Remake) by Bk_Kinako_Dk
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
25 Oct 2025
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Izuku is a wolf hybrid
Katsuki is a rabbit hybrid
Izuku was banished from his pack and lost.
Izuku realizes it's not a place that home is. -
Of Cat and Koi by STR4WB3RRYSP4RR0W
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
21 Oct 2025
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Izuku Midoriya has a curse that runs in his family. Every full moon, he turns into a black cat. In order to return to normal by the next day, he has to eat a koi fish before the sun rises. Specifically, the heart of a koi. Otherwise, according to the book passed down for centuries, he will stay a cat, without any known way to fix it.
Now, what if, on April 7th, the day of the battle between the hero Deku and the villain Tomura Shigaraki, there was a full moon?
What if Izuku is stuck as a cat?
What if he can't win the battle? -
Learning to love by Haremfan124
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
21 Oct 2025
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Aizawa Shouta was born believing he was unlovable, he wasn't even sure how hizashi put up with him all these years. It wasn't until a cold winter night while shouta was on patrol had he heard a shrill cry. Quickly and stealthily heading over by an alleyway where he heard the sound was a box. Free cat?
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It’s A Kid-Cat, Keep Dreaming by Cove_xoxo
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
19 Oct 2025
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Izuku has a cat quirk. When he was 4 the building he lived in collapsed. After that he lived on the street as a cat for 9 years, only surviving because the hero that saved him from the rubble, who he knew as ‘Eraser’, kept bringing him food and drinks. Through the years he was on the street, he became a vigilante that mainly saved kids. When Eraser found out the cat he’d been feeding was the missing kid they’d been looking for years ago, he took him in as his own. But years upon years of living on the street at such a young age, then being thrown back into society, isn’t easy.
Series
- Part 2 of Kid-Cat Fumbles And Stumbles
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this isn't my problem (IT IS NOW) by InTheClouds420
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga)
19 Oct 2025
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The cat meowed.
It was a very familiar meow.
“…Deku?” Bakugou said slowly.
The cat tilted its head, blinked up at him, and meowed again—this time it sounded dangerously close to “Kacchan?”
Bakugou froze. “No. Nope. Absolutely not.”
But then Deku-the-cat jumped into his arms and purred like an engine.
And that’s how Katsuki Bakugou ended up babysitting a green-haired ball of fluff for forty-eight hours.