Chapter Text
Two things were completely wrong as soon as Namjoon set foot in his best friend's apartment.
The first is that Hoseok wasn't there as agreed, and the two had made it very clear that they should meet before the blizzard happened, and the second was that Hoseok's younger brother, Jeon Jungkook, was in the apartment, and basically without clothes.
On any other day Namjoon wouldn't have thought it was strange to see someone without a shirt walking around, but the cold on that day was unbearable, even for him who had wolf genes.
“Hi,” he makes a point of showing his presence when the other seems completely focused on something else.
Namjoon leaves the keys on top of the kitchen counter and slowly walks over to where Jungkook is standing, still with his back to him.
He notices that the younger is in front of the sofa in the living room and looking at the seat as if that piece of cloth had offended him somehow, but when Namjoon passes by his side he notices that Jungkook actually has his eyes closed and his forehead furrowed like if he was in pain.
“Jungkook?” He touches his shoulder gently and the younger finally opens his eyes to face him.
“Namjoon hyung,” his voice comes out pained and looking scared, his big eyes looking even bigger as they focus on his figure.
"What happened? Do you know where your brother is? We arranged to meet here to get through the blizzard, but I barely made it in time and now everything is closed.”
Jungkook doesn't really seem to hear what he says, eyes still scared and wide focused on his figure but without any reaction.
"Are you okay? You shouldn’t be without clothes when—"
“Hyung I'm burning.” Jungkook doesn't allow Namjoon to finish and Namjoon frowns in confusion.
"What? I don’t—“
“I'm burning up, hyung, I—“ he starts fidgeting in place like he can't really stay still. “My body started to burn when I woke up from a nap and this burning went up and up and I feel like I'm burning inside and I'm going to suffocate and this—” Jungkook suddenly growled. “It hurts hyung, it hurts a lot.”
Namjoon is suddenly distressed. He wasn't really close to Jungkook, only seeing the younger one when he came to visit his best friend since the two lived together, but he wasn't going to let Jungkook be in pain without helping.
He positions himself in front of his figure, hands going up to either side of his shoulder and only then does Namjoon notice how warm Jungkook's skin is.
His eyes go up to meet Jungkook's unfocused ones and just like that he realizes what was happening.
A year ago Hoseok shared that his brother had presented as an alpha and these symptoms could only mean he was entering his rut period.
“Jungkook,” he says calmly, but with a firmer voice until the younger one meets his gaze. “I believe you're breaking into rut, okay? That's not a big deal, I'm sure—"
“Hyung,” Jungkook whimpers and his body collapses forward where Namjoon catches him and steadies his body with his hands around his waist. “I’ve never had—never.” Another whimper falls from his lips and Namjoon understands what he means.
It wasn't unusual for a year to pass after someone presented as an alpha. Their bodies stored so many hormones during the preparation period that as soon as you were presented, the rut broke down and the first time happened. It wasn't the case with Jungkook by the looks of it.
“Okay, um, okay, Kook.” He holds the younger in his arms and looks around. “Why don't we go back to your room and lay you down there, hm? I think it will be more comfortable to lie down, and I will bring you food and some water.”
That wouldn't be enough because soon Jungkook's body would ask for other things, and this burning wasn't just an unbearable heat.
Jungkook seems to hear his words, coming out of his trance and looking up at Namjoon again, now closer than before, mere inches separating their faces and Namjoon can feel his breathing all over his own mouth, and now that he pays attention, his smell is everywhere, something soft even for an alpha, looking a lot like campfire.
Namjoon gulps down and the smell is now all over his head. Jungkook was actually really handsome now that he can see it up close, not that he hasn’t realized before, but you don’t really pay attention to your best friend’s younger brother. It’s courtesy, everyone knows about that.
"Can we go?" He insists and Jungkook continues to watch him as if looking for instruction. “This way, Kook-ah,” Namjoon then leads the way and leads the younger to his room and bed.
Jungkook lays down without complaining, but doesn't allow Namjoon to cover his figure as he says he's feeling too hot.
Namjoon promises to go get some food, and as soon as he leaves the room he calls his best friend's number in desperation. Hoseok answers on the third ring.
“Where are you?" He speaks quietly from the kitchen, even though Jungkook can't hear.
Hoseok whimpers from the other end and Namjoon immediately knows something has happened.
“Jimin needed me for choreography and when I realized the time the blizzard had already started.” A heavy little sigh. “We are in the studio and closed trying not to freeze. Luckily we found three blankets from a closet night we arranged for a group to spend the night here. Where are you?"
Namjoon looks around the kitchen and walks to the fridge to sort out some water bottles, and then to the cupboard where he can find some ramyeon.
“In your house, with your brother.” He informs and puts water to boil by turning on the stove.
“I thought he was going to leave.” Hoseok says, looking confused.
Namjoon is also confused. Where would Jungkook go on a blizzard day?
He sighs loudly into the phone and finally decides to tell the truth.
“Look, Hobi-ah, I don't really want to worry you, especially since you can't come over here, but I think your brother is breaking into rut.”
"What?" Hoseok practically yells from the other side.
“I know, I know,” he sighs again. “I walked into the apartment and he was burning up with a fever and he keeps saying everything is burning, but he doesn't really look sick.”
“Namjoon you need—“
“I know, Hobi, he already told me he never had one before, and I'm already fixing him something to eat. Look,” he pauses and thinks of what to say. “I'm not the best of experts, but at least your brother won't be alone, okay? I'll spend the night here and tomorrow if things get better you'll come home. You and Jimin need to take care not to freeze to death. Jungkook and I are safe over here right now.”
Hoseok takes a while to respond and Namjoon is sure he is pondering whether or not he can make it across town to take care of his brother. Hoseok really loved his younger brother, but that would be utterly stupid.
“You trust me, don't you?” He presses on and waits for Hoseok to give in.
His best friend finally sighs and Namjoon knows he got what he wanted.
“I trust you, Joon-ah, I'm just worried he'll lose control or something.”
"There's no omega in here for this to happen, Hobi, just please relax and let me take care of this, okay?"
Hoseok finally gives in and begs Namjoon to call if anything more serious happens, he agrees and then ends the call and prepares to take care of the younger.
Namjoon returns to the room with a tray of steaming ramyeon and plenty of water for Jungkook to drink.
The younger is in bed now, his whole body covered and only his head sticking out where only his big eyes can be seen.
“Are you cold now?” He places the tray on the table next to the bed and sits down next to Jungkook on the end where he is lying.
“It started a few minutes ago,” Jungkook replies in a whisper through his chattering teeth. "I was hot and now I'm cold."
Namjoon nods in agreement.
“This is normal, Jungkook, you're going into a feverish state, it will pass soon and the heat will return. Are you hungry? I did this for you.” He nods and Jungkook watches the bowl of food like a lost dog that has found happiness. Namjoon smiles. “Why don't you sit up and eat a little? It’s really hot and this will help you warm up.”
Jungkook seems reluctant to get out of the covers, but after a second he does, leaning his back against the headboard.
“Can I put the tray on your lap?”
Jungkook nods again.
Namjoon then reaches over to place the tray on the younger’s lap comfortably, and is ready to return to his sitting position when a hand holds him in place. Namjoon stands still and holds his breath.
“You—you smell really good, hyung.” Jungkook suddenly comments and Namjoon notices that he is right next to Namjoon, his face pressed against his neck where he can feel his breath tickling his skin.
He holds back a shiver and swallows hard.
“What kind of smell?” He asks and tries to pull his body away, but Jungkook keeps his hand in place keeping him there within reach.
“I—I don't know, you just—you just smell great, you—can—can—“
Namjoon then pulls himself up slightly in place and his eyes meet Jungkook's still very close to his face.
Jungkook has dilated pupils and a different hunger that Namjoon knows very well crosses his face. He frowns though. This doesn't usually happen when two alphas are involved.
“Kook,” he speaks slowly and softly as he allows the younger to assimilate his words. "You need to eat your food and we'll take care of you later, okay?"
Jungkook blinks, but doesn't seem to understand or make a move to start eating at any point.
“Are you listening to hyung? I'll stay here with you and wait for you to eat. Your brother is going to have to stay out for the night so I'm staying here to make sure you're okay.”
Jungkook still doesn't say anything and his eyes remain fixed on Namjoon.
“Hm,” he swallows hard and considers whether he should really say what he wants to say, but does it anyway to try to get a reaction from the younger. “If you promise to eat everything and drink water, hyung will allow you to scent me, okay? I'll let you put your scent on me if you like, but you need to finish all of this first.”
That does seem to get Jungkook's attention, who blinks for the first time, his pupils dilated again, and he finally nods in unrivaled swiftness. That wasn't really a common thing to happen to alphas, but if it was going to make Jungkook calm down, he'd give it to him without a second thought. This shouldn’t be weird, right? Alphas would help each other like that.
Jungkook then eats his food with unrivaled speed, and drinks water like he's been dying of thirst for days, but that was common when alphas went into ruts so Namjoon allowed himself to relax. Now that was something he could handle.
When the younger is finished, however, the fever returns twice as strong and the heat seems unbearable. Jungkook whimpers in pain and Namjoon realizes that it's not really the kind of pain you can cure with medication, not when he can see the younger's bulge through his sweatpants, a very big bulge.
He looks away and swallows hard.
“We need to get you in the shower, Kook-ah, we need to get your fever down and you need to rest.”
“Hyuuuuung,” Jungkook whimpers again. “It hurts a lot, it's—your—your smell seems to be making it better. Please—“
Namjoon knows what he's asking for, but once again he can't really understand. That wasn't common with alphas, they weren't that affected by each other.
“Jungkook-ah,” he pulls the younger's hands and holds them until he can focus on Namjoon. “Let's get you showered and I'll let you do it, hm? You can't have this fever and your body to be this hot. Can you come with hyung?”
Jungkook blinks while watching him and Namjoon thinks he won't accept it but the younger nods right away.
Namjoon takes the tray off his lap then, and gets up from the bed to help Jungkook on the way.
The bathroom is right next to the bedroom and Jungkook walks in and starts taking off his clothes as if the fabric was burning his skin.
“Why don't you use the bathtub?” Namjoon comments and tries to look away, but Jungkook doesn't seem concerned about being watched or naked in front of him. “Kook?”
Namjoon walks over to where the younger is standing and once again he notices that Jungkook is in some sort of trance and just watching the bathtub as if he doesn't know what to do.
He passes by his body then, and turns on the faucet and on a medium temperature before returning to his position next to him.
“Kook,” Namjoon calls and Jungkook blinks and goes back to watching. "Let's get you inside, hm? You need—“
“Will you come with me?” The younger suddenly whispers, and Namjoon freezes in place.
He watches Jungkook's eyes and is amazed at how big they can get. He is also startled when his whole being screams for him to say yes to the younger, almost as if it was impossible to say no.
“Hyung,” Jungkook whimpers and pulls him out of his thoughts.
Reluctantly Namjoon let his eyes travel down Jungkook's exposed body and to say he was a masterpiece was an understatement for the sight he had in front of him.
Jungkook was tall, and only a little shorter than Namjoon, but his waist was tiny, his legs were shapely, and the rest of his torso was simply drawn by angels. Namjoon swallows and looks up at Jungkook again, not before he gets another glimpse of his huge cock, red at the tip and already leaking some pre-cum. Hoseok would kill him for that.
“I'm in real pain, hyung, please, please, Namjoon hyung.”
And Namjoon knows what would take away Jungkook's pain, and his body shivers just at the thought. He had never thought of Jungkook like that, but today the images running through his mind were driving him crazy. Hoseok really would kill him for that.
“Let's get you in the bathtub and take care of it soon, Kook-ah, please let hyung help you like this.”
Jungkook then allows Namjoon to help him out and the older gently places his hands on the back of Jungkook's waist as he guides him to the bathtub and makes Jungkook sink into the water.
"I'll put some suds on and then you can wash up."
Jungkook doesn't say anything, his head resting on the edge of the tub as he closes his eyes and allows the cool water to wash away some of the fever he's been feeling.
Namjoon pours some soap into the bathtub and lets the water rise a little higher.
“Is it less hot now, Kook-ah?”
Jungkook opens his eyes and his pupils look even more dilated.
“The heat is not in my body, hyung.” His voice is a whine and Namjoon can see some tears flooding his eyes.
He swallows hard and clears his throat.
“I promise it will pass, Kook, this is normal. Do you think you can wash yourself?”
Jungkook shakes his head. Namjoon swallows once more.
“Please, hyung.” His voice comes out so desperate that Namjoon feels goosebumps all over his body.
He had never felt this way about another alpha, but he wasn't really reluctant to that feeling, he just felt nervous that he was taking advantage of Jungkook when the younger was in such a vulnerable moment.
“What do you need, Kook-ah? Tell hyung what you need.” Namjoon leaves everything in the younger’s hands, at least that way it wouldn't have been his decision.
Jungkook bites his lip as he watches him from inside the bathtub and Namjoon can't stop his eyes from dropping in that direction, Jungkook’s big and hard cock right there for him to see.
“Please come closer hyung, please touch me.”
Namjoon's whole body heats up at the words and he swallows again trying not to show how Jungkook was affecting him.
He reaches out, however, unable to say no or not help when he knows what it was like to go through this alone and have no one to help, even more for the first time. Not even Hoseok could help Jungkook, not like he really needed to right now.
With shaking hands he grabs a bar of soap from the edge of the tub and feels Jungkook's eyes following his moves the entire time. He uses both hands to lather and then meets Jungkook's eyes once more looking for permission before starting to touch him. Jungkook looks like he's about to beg for his touch.
He starts with the younger’s face, who closes his eyes and lets a small sigh escape his lips as soon as Namjoon touches his skin.
His fingers go over that face so young, but with strong features, gently touching his cheeks while Namjoon accesses every piece exposed in front of his eyes. The scar on his cheek, the adorable mole that sits under his lips and matches his own so much, that nose that on anyone could be considered big but was perfect on Jungkook's face. It's Namjoon's turn to hold back a gasp.
Still anxious about doing something he shouldn't, he goes down slowly after sprinkling the foam on Jungkook's face with water and drops his hands to his neck, swallowing hard when he realizes how his hands would fit perfectly around that perfect piece of skin.
Jungkook's eyes open and besides being big they look darker right now. Namjoon doesn't break contact as he moves his hands down his torso, across his chest where they inevitably touch his nipples and Jungkook bites his lips and whimpers at the sensitivity.
There isn't enough foam in the bathtub to cover the younger’s private parts and it's impossible not to notice how hard Jungkook is at that moment, thick and long right there in front of him. His eyes drop and it takes everything in him not to keep his focus right there. He swallows again.
Jungkook was really a work of art like no other and it would be so easy to get his hands or mouth down on that length that was probably throbbing and asking to be touched. His own cock was throbbing now inside his pants, but he ignored it for the moment. This was only about Jungkook.
The younger seems to realize how Namjoon feels about his body as a moan escapes his lips and Namjoon watches as Jungkook's cock pulses under the water. He looks up at Jungkook and watches as tears fill his eyes even stronger now, some falling on his face.
“It hurts, hyung, it—it hurts a lot.” He whines.
Namjoon shouldn't find Jungkook so handsome while he has tears in his eyes, but it's impossible to miss and acknowledge. His lips bear a pout and his face is desperate asking for something Namjoon knows he wants to give.
“Where is it hurting, Kook-ah?” He makes a point of asking, as he would never do something without any consent or any sign that Jungkook was lucid in what he asked. Namjoon knew how alphas were when they were in that period.
“Hyuuung,” the tears fall and Jungkook covers his face. He was even cuter when he acted shy like that.
“Tell hyung, Kook-ah, tell hyung and I promise I'll take care of everything.”
It takes Jungkook a second to do this, but the urge to be touched was stronger than his shyness.
He uncovers his face, and bites his lip once more before he climbs up into the tub enough for his cock to emerge above the water. Namjoon's mouth waters at the sight. Jungkook was delicious, leaking, dark and big and now exposed for him to take.
Namjoon finds pity within himself in that moment, and his eyes stay on Jungkook's face as he finally takes his cock in hands and watches with pleasure as Jungkook relaxes under his touch.
“Like this, Kook-ah? Do you want hyung to touch you like that?”
“More, hyung, more please.” He pleads and Namjoon starts to raise and lower his hands.
Jungkook’s response is so immediate that it scares both of them at the same time. He must have been suffering for a while because as soon as Namjoon strokes his hands up and down, squeezing the head harder he comes with extreme speed and gives one of the most beautiful whimpers Namjoon has ever listened in his life.
His knot starts to come out and Namjoon watches without blinking, completely stunned by the sight as he has never touched an alpha like this and despite being familiar with what happens to his own body, he never thought he would touch another alpha and watch them falling apart in his hands like Jungkook was doing at that moment.
Jungkook looks in total ecstasy, his eyes closed and his small lips parted in a continuous whimper as his body shudders and slowly recovers from that orgasm.
Namjoon milks all the drops that come out of his cock, moving his hands up and down until the last drop is out and Jungkook's knot is completely out, and then, without thinking twice, he reaches down and puts the tip in his mouth, cleaning the last remnants that leak from there while Jungkook ends up lunging for sensitivity and more than enough enters his mouth.
Namjoon grunts at the sensation and Jungkook moans as he holds him in place by his hair.
“Please, hyung, more.” Namjoon hears him ask and even though he never imagined this happening he does as asked.
He opens his mouth wider and swallows Jungkook with a hunger he's never felt before, pushing most of his knot inside as he sucks and uses his hands around his length to jerk him off and make him hard again, but his cock is too big for him to take all so he works in what he can, and this seems to be enough for Jungkook.
He knows it would take a while for the knot to break and go back inside so he uses that moment to suck and taste that piece of skin he never imagined he'd put in his mouth, enjoying the feeling more than he thought he ever would.
“Hyuuung,” Jungkook cries and the sound is so pleasurable that it makes Namjoon grunt in pleasure and only then does he realize how hard he is in his pants, almost ready to come like this.
He pulls away slowly, kissing Jungkook on the head before looking directly into his eyes.
“Fuck hyung's mouth, Kook, fuck it hard, take away that pain you're feeling. Use my mouth, and just take what you want.”
He doesn't wait for Jungkook to answer, he goes back to his length and lowers his mouth again, swallowing him as much as he can and leaving his throat in position until Jungkook starts to move.
Jungkook looks reluctant for a moment but when he realizes Namjoon is actually waiting he starts thrusting and fucking Namjoon with his cock as his knot hits the back of his throat.
Namjoon holds on as long as he can, but his reflexes aren't the best, and the feeling is completely different from anything he's ever felt. He moans and squeezes his own cock through his pants, masturbating lightly as he lets Jungkook do whatever he wants with his mouth.
The younger’s thrusts suddenly lose rhythm and Namjoon knows he's close and invites him to come on his lips when he opens his mouth wider and looks up waiting for Jungkook to understand.
Jungkook whimpers once more as his body starts to shake again and soon after he spills down Namjoon’s throat, the alpha stroking himself quickly as he ends up cumming in his pants like a teenager would do.
He swallows it all down without complaint and milks Jungkook again with his lips, sucking the skin of his knot like there's no tomorrow. If he thought about it, Namjoon is pretty sure he could get addicted to that.
The strong touch on his hair loosens and Namjoon notices that Jungkook is relaxed again in the bathtub. He takes his cock out of his mouth and watches without blinking as Jungkook lowers his body back into the water and his eyes start to blink sleepily.
“Are you feeling any better, Kook-ah?” His voice comes out hoarse and Namjoon realizes how he had strained his throat. No regrets however, he would do it again anytime Jungkook asked.
Jungkook opens his eyes, and a soft smile appears on his lips.
“You really took care of me hyung, the pain really went away.”
Namjoon smiles back and raises his hands to remove a strand of hair from the youngest's eyes.
“It will come back for a while, but hyung can help if you want, I'm here for you, Kook-ah.”
Jungkook's smile seems to widen.
“Can we sleep together in my bed? I feel like I need to cuddle.” He asks excitedly and Namjoon is unable to deny it.
“First let’s finish this bath, hm?”
A pout appears on the youngest's lips.
“Will you come in here with me?” He asks in a sly voice.
Namjoon was really fucked.
“Make room for me, baby, hyung will do whatever you want.”
And Jungkook does it with a desperate gesture, opening his legs and asking Namjoon to snuggle in his lap with his big pleading eyes. Namjoon doesn't mind doing it, and if he lets Jungkook do whatever he wants to him that night, including fucking his thighs with his knot until he cries begging for more only the two of them need to know.
He would handle Hoseok at some point, after all, he swore he'd take care of Jungkook, and he really did that.