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Seokjin has lost track of when it first started.After debut, surely. After they had gotten fully comfortable with themselves, with their roles in the group and their schedule. After the gross pranks of Rookie King and the absolute high of the Rookie Award. Still living in that cramped apartment, a thousand shoes on the floor and self care products strewn about the house. Seven bunk beds in one room. Not one glimpse of privacy.After that. Definitely.It started out as kissing--in 2014, Seokjin is sure of it.Jimin had been trying to ask him for help with something for about a week, something that was clearly private. Every time they were alone enough to discuss it they had been interrupted.Jimin eventually cornered Seokjin in the bathroom, right when they were about to shower. He shut down Taehyung's enthusiastic request to join them and locked the door once they were both inside.Seokjin had laughed, flustered. He'd set his clean clothes in the plastic drawer they kept in the bathroom that kept them from getting wet from the shower. Before he could start getting undressed, Jimin stopped him.Jimin had blushed. “Hyung, I know we're not allowed, technically, but…” Seokjin had worried for a second that Jimin was going to mention drugs, or alcohol, or something else illegal that would jeopardize their entire career. But Jimin says, shy and chubby-cheeked and still sweet even with his settling hormones, “I wanna be good at kissing when I finally start dating someone.”Relief.An offhand, “T-That’s nice!”Seokjin’s ears had grown hot, but he tried to brush his nervousness away. “That's fine, Jiminie,” he said, sweetly. “I'm sure there are nice practice videos online.”He'd gotten it all wrong, of course.Jimin turned into a peach. “N-No! Hyung,” he said too quickly. He cleared his throat, and adapted a tone like a negotiator, or a car salesman. “It's always better to practice for real, right? The only way to get better?” It was an echo of the words their dance instructor tries to instill in them. “So I thought I… We…” His teeth ground into his lower lip. “I want to practice kissing with you.”Seokjin had nearly choked. “Me?”He held onto the counter like it was the only thing keeping him steady; his heart beat crazily in his chest. He hadn't been able to keep his voice calm. “Ah, Jiminie--ah, why? Wouldn't it be better to do that with… Taehyungie? Or another one of your friends?”It hadn't been that Jimin was unattractive, or gross, though sometimes smelly in the way that young men were--it was just. Seokjin was supposed to take care of them, he thought. Even if Jimin was nineteen and had a poorly-hidden porn stash and insisted on guiding him through their dance routines.Jimin tried to answer, working at the hem of his shirt. “Hyung, you're just…” He seemed to only get redder. “Your lips…”Seokjin put his face in his hands.They were going to fall, and they were going to fall hard.They kissed that first time in the shower. The water was hot but Jimin's touch was hotter. He pressed Seokjin up against the wall, put a thigh between his naked legs and held his waist firmly. It was clumsy but not, more like kissing someone who hadn't kissed in a while instead of someone who had never kissed at all. Every time Seokjin broke away to take a breath, Jimin would chase him, kiss him again, until they were both lightheaded. He eventually had to nudge him away so they could finish getting clean.Truthfully, Seokjin had liked it. He stopped really flirting with people when the idol world started getting too big and too vicious; had decided that his first and second and third priority was Bangtan Sonyeondan--not getting his dick sucked in a music show closet by some security personnel.So, there was Jimin, pretty and bratty and a little mean--whose kisses were hot and wanting and made Seokjin's stomach flip in a way that felt too good. Jimin was insistent, and he learned quickly (if he even needed to learn at all). He’d hold Seokjin's wrists to his chest and back him up against the wall. He kiss and lick his mouth open like no college classmate or summer fling had before. And even if it was deemed ‘just practice’, and Seokjin thought Jimin was good enough for them to stop, he kept coming back for more.Jimin would say, “Hyung, I saw this thing on the internet.”Say, “Hyung, I heard this feels good," and, “Hyung, I don't wanna get bad at it again,” like he wasn't good in the first place and like it all didn't feel like a huge pretense for something they really, really, really couldn't get into, not with the world watching and waiting for them to fuck up.Jimin would make an excuse. He'd find Seokjin in bathrooms, in hotel rooms, whenever they were alone in the apartment. He'd pin Seokjin against the kitchen counter and get caught up in lips and breath.The first time Jimin got hard while they were kissing, he tried to ignore it. It pushed against Seokjin's thigh, throbbing through the shiny fabric of Jimin's shorts while Jimin ‘practiced’ giving Seokjin a hickey for the first time. Seokjin waited for him to back away, apologize with an embarrassed smile and dodge off to shower. When he didn't, Seokjin had to nudge him himself. Jimin looked like a puppy, embarrassed and a little kicked.The next time, Jimin got hard, again. And then the next time. And the time after that. And then he was getting hard almost every time they were practicing.It's gone too far, Seokjin thinks.Jimin's breath is hot in his ear. His grip is strong, halting, his hips fluid in their motion. Firm. Seokjin is pinned to the mattress, tiny sounds escaping him. He's fully clothed--almost. In his sleep shirt and boxer briefs, sweatpants half down his thighs from when Jimin moved them, mumbling about it feeling more “real.”Jimin just got back from extra dance practice in the gym of their hotel, in a tank-top and basketball shorts and he still hasn't showered. His dick is thick and heavy through the thin material of his clothes. He nudges it roughly against Seokjin, leant over him. One of his hands is shoved up Seokjin's shirt, brushing mindlessly over and over his nipple. He smells like sweat where Seokjin is clean, bathed a half hour ago when he had some semblance of privacy.Jimin walked in when he was in the middle of a webtoon, crawled over to him when he got to his mattress.“Practice?” he asked, sweetly.Seokjin protested, grumbling about sweaty skin on his goddamn hotel bed. Jimin drew him into a kiss anyway, tongue slick and sucking, lips growing wet. Seokjin sunk into it, running his fingers through the damp, close-cropped locks of his black hair. He pulled Jimin in with a hand on his neck; Jimin pushed him down with firm hands, hands coasting up his sides.He got in between Seokjin's legs, which spread easily, wide and flexible.Jimin moans breathily. His chest is now pasted over Seokjin’s back, not quite covering him but making him feel small, anyway. His fingers rub and tug at Seokjin's nipple, nose nudged against Seokjin's ear while he huffs like an overeager puppy. Seokjin grits his teeth. He gasps, tiny and quiet, as Jimin starts rolling his nipple tightly between two fingers. His dick is insistent, nudging and grinding over and over again between Seokjin's cheeks. His balls are a rhythmic pressure that slap, muted, against Seokjin's perineum.Fully clothed just means a millimeter, three millimeters of space that blocks them from being skin to skin. Jimin grinds down just as hard, drags his cock against his hole. The pressure of his dick right against him, pulsing. Seokjin’s breath shivers out of him, his thoughts clouded with images of Jimin fucking right into him for real.“Feel so good,” Jimin says, rough and delirious. He works his dick against Seokjin through his basketball shorts, presses down on the small of his back so that he doesn't move, so that he can fuck down against Seokjin's ass exactly as he wants.Seokjin tugs a pillow under him more, leans onto his windpipe so it's that much harder to breath. His dick weeps feebly against the sheets, the head poking out of his briefs from where they have slipped down, the feeling tingling and wet.How would it feel--getting fucked by Jimin? He's got a stocky dick, fat and veiny and so leaky when it's getting attention. He'd fill Seokjin up so nicely, would work his cock inside fast and hard and leave him whimpering. Jimin watches those cringey Vines all the time--muscular dudes slowly humping their floors--practically studies grinding choreography to the point where Seokjin can see Jimin’s back and ass muscles flex by just hearing the music, so--so he probably understands how to fuck. Seokjin's body thrums at the thought. He stifles a groan when Jimin's fingers leave his nipple and come back, wet with Saliva.Jimin is a little selfish, or he used to be, but Seokjin can deal with that. Getting fucked hard, Jimin taking what he wants to get off and little else. He’s horny little bastard, always has been, and getting the chance to actually fuck, for real? Jimin wouldn't be able to hold back. He'd fuck into Seokjin like a piston. He wouldn't stop even when Seokjin's nails bit into his wrist or when he'd start to cry overwhelmed tears. Seokjin imagines himself plugged full, Jimin's cockhead smearing against his prostate with every eager thrust, and spreads his legs a little wider.Jimin tilts his face down, mouthing at the side of Seokjin's neck. His tongue is slick, and it snakes over the sensitive collar of his throat, the nape of his neck. Seokjin is momentarily thankful that Jimin's hands are occupied and his tongue can't reach the span of his shoulders; his upper back is the most sensitive of him all. It doesn't stop Jimin from trying, though. His tongue laves over the tip of his spine, teeth grazing over warm skin.His breath hiccups when Seokjin cants his hips up on Jimin's forward thrust; his dick bumps hard against Seokjin's ass and slips off again.“Hyung--” The way Jimin is moving means he grinds against Seokjin's balls every now and then, in his path over his perineum and hole. Seokjin whimpers again, pitiful and weak.He tries to speak but his voice wheezes from the thick pressure of his pillow.And then Jimin's hand is in his hair, yanking his head back firmly. Seokjin's moan is high and wrecked. He feels immediate shame, but Jimin laughs in his ear.“Hyung, am I doing good?” he asks through his heavy breaths.“S-’S good,” Seokjin manages. Jimin likes praise--he could probably cum from Seokjin whispering how great he is into his ear. “So good, Jiminie. Feel your dick, I--” Should he say it? His skin is buzzing. “--wan’ it so bad, Jiminie.”Jimin's groaning gets louder. He fucks against Seokjin harder, as if he could open him up by the sheer force of his dick, spread him and slip in through his clothes, bury himself inside. Seokjin keeps slurring praises at him, loving the sounds he makes and the way his movements get more violent.“Fuck.” Jimin sits up, quickly. He moves his hands from Seokjin’s back to his ass, grips the soft, small mounds of Seokjin's cheeks and spreads him wide. Fucks down harder still. Seokjin can feel his hole really part; he wonders if it's enough for Jimin's cockhead to catch on him through his clothes.Seokjin moans wetly, then bites his lip. His breaths come harsh through his nose, hips arched into Jimin's touch. He feels humiliation and arousal burning through him. Is this proper behavior of a hyung? Letting his dongsaeng use his body as--as fuck practice? Like a sensitive, twitchy, breathing fleshlight?He closes his eyes and holds his pillow harder, little sounds of pleasure puffing from his lips.Shocks tingle up his spine with every hard drag of Jimin's cock, every twitch of his own dick against the mattress. He can't help but imagine Jimin's thick fingers, wet with lube and filling him up, fingerfucking him until he's open enough to take his cock. How sensitive he'd be if Jimin was really on him, really inside him, if his lips against his neck dropped kisses instead of just open-mouthed pants."Good hyung,” Jimin moans. “So good. So sexy, hyung. Oh, fuck.” He leans backward so he's not pinning Seokjin down as much, and tilts Seokjin's hips up, arches his back. There's an immediate ache in Seokjin's legs; Jimin fucks upward now, nuts bouncing off of Seokjin’s, wrapped up in his underwear. He feels presented, face smushed against the mattress while Jimin uses his ass to rub off.“Favorite hyung,” Jimin says breathlessly. “Best hyung, perfect--perfect Jinnie-hyung. Just letting me use you.” Fuck. Seokjin feels caught. He's bright red with humiliation, legs quivering from Jimin's constant, claiming movement.“Seokjin-hyung--thought about you all day,” Jimin stutters. His hips jump up and down. One hand moves to grip Seokjin by his underwear; Jimin pulls it up, taut against his hole on one side, exposing the right half of Seokjin's ass. The new pressure sends tingles up his spine, and he feels the movement of Jimin's clothed dick even more intimately. “Wanted to be here, right here.” Jimin drives his dick over Seokjin's hole as he says it. “All day.”Seokjin groans.Jimin pauses for a second, leans back. The hand gripping Seokjin’s underwear lets go and slides center more; Seokjin freezes as he feels Jimin's thick thumb slide over his clothed hole. His dick pulses pathetically and he can't help the nervous little whimper that comes from him.There's the sound of fabric sliding over each other, the quiet snap of a waistband, and then Jimin's dick is back. There's less fabric keeping them apart now, and Jimin’s dick pokes straight out behind his shorts; he must have freed it from his underwear. He takes hold of Seokjin's underwear, thumb leaving Seokjin twitchy and tingling, and starts fucking against him again.“Oh fuck, that's better,” Jimin groans. Seokjin feels his full hardness, the length of him, thick and insistent. Jimin uses his other hand to press it over his dick, trapping it between his hand and Seokjin's hole. He fucks against him quickly; Seokjin's fingers curl in the bedsheets. Jimin seems to get lost in the sensation. He goes quiet except for his moans, grips Seokjin's ass with tight fingers and spreads him, adjusts his hand to spread him again.Seokjin starts to move his own hips, working the sensitive head of his dick against the hotel bed's sheets and his ass back against Jimin's cock. Just when he thinks he's getting close, Jimin stills.He shoves Seokjin's hips flat against the bed and spreads him with one hand, the other scrambling to take his dick from his pants. Jimin groans, fisting it and jacking his cock over Seokjin's grey underwear. He moans shakily over Seokjin's head, the head of his dick pushing firmly against Seokjin's clothed asshole, shooting a thick load right where he was grinding.Seokjin can feel his cum soak through his underwear, wet against him. He thinks about Jimin inside him, dragging his cock out as he cums so he makes a mess of Seokjin's hole, and then fucking is cum right back into him. Jimin rubbing his load against his hole until it's puffy and red and twitching, stuffing him with fingers again.Jimin drives his dick down against the slimey stain, smears his cum over his crack, which sinks and sticks against his hole. Seokjin's hips are still tilted upward for Jimin, off the bed like a kitten in heat, a perfect target. He probably feels Seokjin twitching, trembling, his hole blinking open and closed behind his briefs.Jimin is still feeling the aftershocks. His dick jumps and pulses against him, and he’s groaning loud and long. Seokjin can feel him fist his cock again, pumping out the last drops of his seed.Seokjin shivers. He clenches his hole, trying to make it stop throbbing; he can feel Jimin's cock right there, pressed against him. Jimin undoubtedly feels it, even with his mind soaked with orgasm. It makes Seokjin feel so dirty.If he peeks behind him, he can see Jimin holding his ass cheeks apart, staring down at his cum-soaked underwear and his twitching wet dick, moving his hips again minutely.Jimin sighs long through his nose, and backs away.Seokjin goes still.He feels his hole start twitching again from the sudden loss. He's sensitive after being grinded against relentlessly for nearly an hour, cock straining and crying against his stomach, neglected.Seokjin gulps. He can't move very well with his sweatpants locked around his thighs, but he tries. He edges his legs apart, giving Jimin a better view of the mess he made, one hand slowly moving back to spread himself apart again. His head turns from the pillow, watching Jimin's reaction. His breath comes out of him in little pants.“Jimin-ah. You just made a mess of my last clean pair of underwear,” he says. He means for it to edge on threatening, angry, but his voice is high and wheedy.Jimin lets out an unbelieving laugh. His dick is still a little firm against his thigh, and it jumps at the sight of him. “Hyung, you think I might need a little ass eating practice?” he asks suggestively. He looks like a wolf.Seokjin swears he feels his arms flush. “I--”“Did you cum?” Jimin asks. He comes forward again, lifting Seokjin's leg easily to turn him onto his back.Seokjin's dick bobs outwards, at least it tries to, still held against his stomach by the band of his briefs. It's almost purple with how hard it is, and it twitches pathetically in the cold, open air.“Oh, hyung,” Jimin sighs. He reaches forward and pinches up Seokjin's waistband, giggling deviously as the poor cock gives a desperate jump. Seokjin is red to his eyelids, clenching and trying to keep his hips from tossing upwards. “Do you need help, hyung?” Jimin asks sweetly.He crawls over Seokjin’s legs, sitting atop his thighs where his sweatpants have been pulled down.Seokjin expects a handjob. It's not the first time he would have gotten one from Jimin, or any of the members for that matter. He expects Jimin to spit on his hand and grip him, to hold him down while he determinedly jerks Seokjin off his cock with tight, slick fingers.Instead, Jimin leans forward. He brings Seokjin into a messy, overwhelming kiss, Jimin's tongue licking into his mouth and staying there, sucking and undulating. Seokjin whines feebly, his own tongue feeling clumsy against Jimin's long, dexterous one. When Jimin pulls away, he smirks, wipes their mixed saliva onto the palm of his hand, and reaches between them.One hand holds Seokjin cock between thick fingers. The other jerks the top half once, before quickly rubbing the slick palm against the head, fast and relentless and completely unexpected.Seokjin lets out an undignified squeal, back arching immediately and his breath punching out of him. He feels his abs and thighs quaking, eyes nearly crossing with Jimin's onslaught. His hand rubs in fast, tight circles, over and around and back and forth. Seokjin clutches his pillow overhead. He feels like he's going to start sobbing; he's pinned down by Jimin so he can barely move hips anyway. He feels helpless; he gets drunk on it.“Hyung, I tried this out on myself. It feels so good after being edged for a while, I thought you'd really like it,” Jimin is saying. He's smiling, palm working quickly over and over Seokjin's cockhead. His other thumb starts brushing over a vein, trailing upwards. Seokjin's entire dick feels attacked and sensitive.He cries, “Jimin,” brokenly, real tears welling up in his eyes. Jimin leans down and starts mouthing at a nipple, running his teeth over it, and Seokjin convulses. His entire body jerks, balls drawing up tight. He sobs as he comes, spurting against Jimin's hand, his dick drooling out thick ropes of cum. Jimin's hand keeps moving, but slowing. Pleasure, pleasure, pleasure; Seokjin is crying, really crying, his body shivering from what feels like the most intense orgasm he'll ever experience in his life. Jimin moves his hand slower and slower before he comes to a stop; he holds his hand there for a moment just to feel Seokjin trembling through his dick, the tiny pulses that still spit cum onto his hand.“Messy hyung,” Jimin says. He clicks his tongue. “Look what you did.”Seokjin is barely paying attention. He's trying to catch his breath, staring up at the ceiling. He feels his fingers tingling from his orgasm.Jimin leans over him again, his clean hand working at Seokjin's dick with gentle fingers.“Hyung,” he says with a smile. He holds his cum coated hand over Seokjin's face. “Clean it up?”Seokjin feels something throb through him. He sticks his tongue out, and starts licking it up, swallowing down the salty and bitter taste of his own cum. Jimin stares at him with a blush high on his cheeks, lips parted.“Good Jinnie,” he says breathlessly.Seokjin can feel Jimin's thickening dick against his hip, eager for another round. His eyes are hooded and full of lust, and his tongue pokes out between his lips.When his hand is all clean, Jimin takes it away. He stares at Seokjin for a heady moment. His irises swirl with an unspoken emotion. He leans down and brings Seokjin into another deep kiss, cups his face between his hands and holds him almost like he's precious.Seokjin feels his pulse flutter. He trails a hand up Jimin's nape and kisses back, sighs into his mouth.They both know this is more than just practice.