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on the brink of insanity

Summary:

Kangmin is a brat. Gyehyeon is stressed and angry.

Notes:

"thank you ______" we all say in unison for giving me this insane idea despite having never read smut

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

Work Text:

Kangmin has always prided himself on being a bit of a brat: the brattiness runs through his bones in every move he makes, every time he gives Gyehyeon a snarky comment, every time he decides to look that fucking good in front of his man just to see how far he can push it before Gyehyeon snaps and drags him home and ruins him. And Gyehyeon absolutely loves it, loves the way Kangmin always thinks he’s in control, too stupid to realize who holds the power at all times. Which is why he gave Hoyoung a fake ultimatum and sexiled everybody. He needs this. Badly.

 

Lately, everyone has been stressed out, especially Dongheon. Dongheon and his wifey can fuck it out tomorrow, Gyehyeon thinks. Tonight is not for them. Tonight, Gyehyeon has plans , and they involve Yoo Kangmin and four hours spent in the privacy of a completely empty dorm.

 

But there are eight hours between when rehearsal begins at 8:00am and when Gyehyeon gets to take his boyfriend home at 4:00pm. That’s the problem: give Kangmin an inch and he’ll run a mile. Gyehyeon’s first mistake is giving Kangmin a centimeter.

 

Halfway through practice, Dongheon, stressed as hell and probably wanting to go make out with Hoyoung, decides to elongate the break by five minutes, making it a ten-minute break. Kangmin leaps at the opportunity, immediately pushing Gyehyeon against a random wall in a hallway leading to some random dead end before shoving his tongue down his throat, hands reaching up his shirt. Gyehyeon feels his body get warmer, slowly starting to fill out in his pants when Kangmin trails a finger down his abs. It’s dumb, and messy, and they definitely should not be acting like this when the break is so short and there are fifteen other men in the vicinity (along with cameras and production staff), but Gyehyeon can’t bring himself to care until Kangmin pulls away suddenly, 3 minutes left of break still to go, leaving him slightly dazed and more-than-slightly pissed the fuck off .

 

Practice is brutal, Dongheon is exceptionally mean, and Kangmin looks exceptionally sexy and won’t stop giving Gyehyeon the Look of Sexy Brattiness . It’s infuriating.

 

The moment practice ends, Gyehyeon makes his second mistake: going to the bathroom. Kangmin follows him in, putting a hand on Gyehyeon’s neck and licking a stripe up his ear, applying just enough pressure to make his breath catch before removing it entirely and sashaying out the bathroom, leaving Gyehyeon to piss (and be even more pissed off).

 

Truly infuriating.

 

❊❊❊❊

 

At 4:00pm, sharp, Kangmin walks into the bedroom wearing nothing except his boxers, hair neatly combed, makeup perfectly intact. He’s so beautiful it’s disgusting , and it’s even more disgusting that he knows just how good he looks. “Baby,” he calls to the body standing across the room. “You’re so stupid. You fell for my tricks all day.” He giggles, sparkly lip gloss glimmering in the dim moonlight as he strides towards it. “You think you can top me, baby? You can’t. Get on your knees. Now.” 

 

Gyehyeon’s jaw visibly tenses. “I will do no such thing.”

 

Kangmin tilts his head in a way that might be perceived as cute in another context, saying, “Oh really?”

 

Gyehyeon looks stoic and doesn’t respond, but in reality, he’s weighing his options. He could let Kangmin get away with it, but that’s no fun. Instead, he could fuck the brat out of him and make sure he knows not to pull some fuckass stunt like this for a long time. The latter is significantly more appealing, so he slowly closes the gap between himself and Kangmin, grabbing his chin far too tenderly for it to be safe . “Kangmin, listen to me carefully.” The tone is too level, too measured to be innocent, a tone that only comes out when Gyehyeon is preparing for something big. And Kangmin, as a concept, is something big indeed. “You’ve been a brat all fucking day, and I think it’s about time you learned your lesson. My job is to teach you that lesson in a way that ensures you won’t make the same mistake twice. Am I clear, love?”

 

Kangmin grins, cheshire and arrogant, and Gyehyeon wants to destroy him.

 

A slap echoes throughout the room before Kangmin can even process the pain blooming against his cheek. Fuck, he thinks. Gyehyeon is strong. Sexy. “Thank you, Gyehyeon, for asserting your dominance so flamboyantly.” He blows him a kiss, brattiness exuding from him in waves so strong it’s like a visible glow around him. “You’re so sexy, baby. I would hate to see you get ruined by me tonight—”

 

Gyehyeon cuts him off with another slap, harder this time, that sends heat pooling somewhere deep in his belly, that twisted, perverted side of him bubbling to the surface as he hears Kangmin gasp from the impact of the hit. Control yourself. You can’t be too mean tonight. 

 

Famous last words.

 

Gyehyeon’s voice is close to a whisper, right against Kangmin’s ear when he says, “You like getting hit, huh? That turns you on?”

 

Kangmin lets out a low, choked off whine as Gyehyeon’s hands start wandering,  feeling him up, composure slipping for a split second before he regains it. “I bet you would like getting hit by yourself too, you narcissistic bitch.”

 

There is silence, only for a moment. Gyehyeon cuts it in half, slaps him full force this time, as hard as he can. “You disgusting little painslut. Can’t think about anything but being a brat, hm? Is that the only thing you’re good at? You don’t get bored of your pathetic self?”

 

Kangmin grins, big and wide again. He’s got Gyehyeon right where he wants him: angry and horny . “If I’m such a brat, why don’t you teach me a lesson then, ‘pretty boy’ Gyehyeon?” 

 

Gyehyeon snaps, smashing his lips onto Kangmin’s as he guides them both to the bed. Kangmin gasps into his mouth, shifting his hips ever so slightly against Gyehyeon’s thigh, and the gentle, hesitant rock of his hips is a stark contrast to the way his mouth is moving fervently and uncontrolled. It’s not until Gyehyeon pulls back to look at him, eyes dark and visibly angry that Kangmin realizes just how fucked he is. “I’m going to make sure you forget that bratty little attitude of yours tonight.”

 

“How?” Kangmin’s voice is a lot less commanding now, but it still has that signature Kangmin brattiness laced in the words.

 

“I think you deserve something a little extra special for your punishment today, hm? How does that sound?”

 

Kangmin gasps, choking on a moan on the exhale as he registers what Gyehyeon means by that. The noose.

 

The noose got taken out only once prior to now: two days after the night Kangmin was caught drunk and grinding against another guy, lips far too close for Gyehyeon to feel anything other than rage. He gave Kangmin time to come down from his hangover before torturing him so good Kangmin broke over and over, eyes misting with guilt and sadness. Tonight, however, is not like that. Tonight is more powerful, Kangmin putting up more of a fight, Gyehyeon stressed and angry, and the room so charged it could power a lightbulb. Kangmin lets out a soft and whiny fuck when he sees the rope in the other man’s hands, letting Gyehyeon take his time tying him up carefully. When the tying is sufficient and Gyehyeon checks it over and over for safety reasons, Kangmin steps onto the stool. 

 

Gyehyeon gets the wind knocked out of him from the simple image: Kangmin is utterly beautiful with the rope tied around his neck, cock hard and leaking, still untouched and confined. “My boxers are still on,” Kangmin says petulantly. 

 

Gyehyeon chuckles, the sound echoing throughout the room. “I’ll have to take them off, then.”

 

And then the stool is coming out from under his feet, Gyehyeon’s strong arms gently lowering him before letting go so he’s suspended like a work of art. Gyehyeon makes quick work of removing the boxers, tossing them somewhere else before sliding the stool back underneath Kangmin’s feet, tethering him. As the air comes rushing back into his lungs,  Kangmin lets out a whiny, broken sound so desperate that Gyehyeon almost feels sorry for him. Almost. Make him pay. Don’t let him get away with it. This is all part of the plan, he reminds himself. “Kangmin, baby. Still here?” he says, mouthing at Kangmin’s shins, moving up to his inner thighs.

 

“I’m okay,” Kangmin pants.

 

Gyehyeon sighs, relieved. Lets his guard down for only a split second, but split second is all Kangmin ever needs. And he takes it, reaching down to grab a fistful of Gyehyeon’s hair hard , forcing a surprised moan out of him. 

 

Gyehyeon looks up at him so calmly Kangmin nearly thinks he got away with what he just did, but then the stool is pulled from under him again, leaving him sputtering and gasping for air. Gyehyeon counts, a steady five…four…three…two…one… that has Kangmin choking by the end, vision blurring at the edges right as the stool is placed back under him. He moans again,  just like last time, pathetic and whiny. Gyehyeon pulls back to take a slow, hard look at his art. Kangmin feels hot, skin branded under Gyehyeon’s eyes, trembling ever so slightly in a way only known to the person he trusts the most.

 

“Touch yourself.” The command comes suddenly, surprises Kangmin. He obeys, wrapping a hand gingerly around his sensitive cock, stroking at a slow pace, eyes fluttering when he pushes his hips into his hand. Gyehyeon tells him to go faster , to stay focused , until he’s a mess, so close he nearly loses his self-control. “Stop.”

 

Kangmin cries out in frustration but stops anyway, cock twitching as he squirms in place, noose still tied around his neck as a reminder of the power Gyehyeon holds. 

 

“Touch yourself again, baby.” So he does, even more gingerly than the previous time, while Gyehyeon continues mouthing at his thighs. It’s so good he nearly gets lost in it, eyes swimming with desire, mouth parted in pleasure. The edge comes up slowly this time, a slow buildup that taunts Kangmin’s self-control yet again. “Stop.” 

 

It takes all of Kangmin’s willpower to remove his hand from himself, a wet, broken noise reverberating from his parted lips. Gyehyeon steps away, removing his mouth, and pulls the noose from the ceiling, guiding a blurry-eyed Kangmin to the bed. “Focus, baby. Stay with me.” 

 

He gently undoes the rope, careful not to hurt any part of Kangmin, leaving feather-light kisses around Kangmin’s face and neck as he works at the knots. He holds him close when the rope is fully gone, flung to the other side of the room. “Talk to me, Min. Are you okay?” Kangmin nods weakly, turning his face away from Gyehyeon’s. “Words, baby. Talk to me.”

 

Kangmin inhales shakily, trembling with arousal. “I’m okay. I just need you so badly, Gye, holy shit—” He cuts his own self off, back arching into the space where they’re pressed against each other closely. Gyehyeon smiles against his neck, mumbling “Have you learned your lesson yet?” 

 

Kangmin moans. “Yes, I learned it, please, please, please , I can’t do it anymore, I need you, I need you inside me—”

 

Gyehyeon strips so fast it’s incredible, slamming their lips together in one fluid motion. The kiss is so messy, both men desperately clinging to their self-control, and Gyehyeon pulls away only to get a condom and lube from the nightstand drawer.

 

When he pushes in, eyes locking with Kangmin’s, it’s beautiful and intense, every emotion pouring out as he fucks into him hard and deep. Kangmin gasps, hands roaming all over Gyehyeon’s back, thighs raising to let him get a deeper angle. Gyehyeon wastes no time finding it, making Kangmin cry out in pleasure, head pushing back into the sheets as his nails scratch into Gyehyeon’s back. It’s so good , and Kangmin can’t help but beg for more. 

 

Gyehyeon will always give him more once he’s earned it, and he’s earned it tonight. He snaps his hips harder, deeper, pressing staccato moans out of Kangmin’s pretty lips every time skin meets skin. They’re both so gone, messily chasing their highs, trying to be as melded together as physically possible. Gyehyeon’s self-control is out of the window now, desperation clouding his brain entirely as he pistons his hips into where Kangmin needs it the most. He moans a jumbled mixture of Gyehyeon’s name and other slurred curses, pleasure taking over his body, so close it’s blinding , so he lets his nails dig into Gyehyeon’s back extra hard, feeling the way it tenses beneath his hands as Gyehyeon himself nears the edge.

 

It hits them both like a tidal wave, pushing and pulling like the moon does the Earth. Kangmin’s face contorts in pleasure as Gyehyeon continues fucking them through it, the feeling transforming into harsh overstimulation, enough to make them both feel it. Gyehyeon doesn’t stop there, slamming into him without abandon, pushing them both into a place they won’t recover from for hours as they reach their peaks yet again. Only then does Gyehyeon slow down, fucking then through it with slow, deep grinds before finally stilling. He slides out gently, and Kangmin immediately buries himself into his neck, still panting. 

 

“I love you, Gyehyeon,” he mumbles, pulling him even tighter. “So much.” 

 

“I love you more, Kangmin.”

 

The front door opens and Hoyoung and Dongheon enter at 6:40pm, way too early. Gyehyeon gives Kangmin a peck on the lips and leaves their room first, geared up to confront the other couple. He spots them by the front door.

 

“You two are one hour and twenty minutes ear—oh.” He cuts himself off when Hoyoung points at Dongheon, who looks visibly weak. “Fine. I’ll let it slide this time, but you’re lucky we already finished the…main event. Clear?” 

 

“Clear as day, boss!” Hoyoung chirps, making a sarcastic salute motion before dragging Dongheon to their bedroom. Kangmin appears out of nowhere, blushing profusely when he sees Gyehyeon smiling at him. “Don’t look at me like that!” 

 

Gyehyeon smiles wider, hoisting Kangmin into his arms and spinning him around princess-style. Kangmin giggles when Gyehyeon plants kisses all over his face. They cook side by side, sneaking bites of ingredients to each other. It’s domestic, lovely, and beautiful, through and through. But more importantly, their love is far more than enough to last them a lifetime.

Notes:

i need verivery ot7 sooooooooo bad guys it's such a problem...but to feed the gyemin lovers this was a little something xoxo

also to anyone who got the "clear as day, boss!" reference...marry me