needy jealousy
yeonjun x fem!reader x kai
synopsis: your boyfriends decide to join nonutnovember.
warnings: 🔞!!! throuple/poly, established realtionship, no mxm, no protection, mentions of cum eating, creampie(s),she/her used prob forgot some sorry
wc: 3.4k
an: not proofread pls have mercy im so sleepy, I told myself I would keep these under 2k and im a liar bc as soon as this came in I knew I wouldn't be able to make it short ;-; hopefully it’s good lol thank you so much for the request @apeachty ily and you know exactly what I want to write next without even trying lol our minds are linked. also peep the reference to busy signal! anyways I have a whole bunch of other yeonkai x reader fics so check them out if you want!
[m.list] [1kevent! m.list]
“no,”
“what do you mean by no?” yeonjun asks, “You can’t or won’t?” He's leaning back against the headboard, scrolling on his phone when he gets the message in his group chat.
“I won’t,” you shrug, snuggling closer to Kai. He's half asleep, nose pressed to the back of your neck, arms loosely wrapped around you.
“It's only one month, you’re saying you can’t go one month without sex?”
“Not that I can’t, just that I won’t. It’s so stupid if I want to cum I will, with or without you,” you pat the back of huenings hand resting against your stomach. “I do have two boys to take care of me,”
kai chuckles, sleep ridden in the rumble on your back, “I’m going to try it,”
“I cannot believe both of you are falling into peer pressure, just cause the other boys are doing it doesn’t mean you have to,”
“I was told if I hold out longer than beomgyu I get a free coffee for every day I last,” yeonjun flips his phone for you to see his chat, and sure enough everyone is bragging about how they could make it till the end of November without getting off.
“Fine, do what you want. I’m not going to sit and beg you,” holding up two fingers you wave them in his face, “I can do it myself,”
“You don't even know how to use these,” he grabs at your wrist, pressing a kiss to your fingertips.
“I'll spend the month learning, or I'll just use the vibrator and the two of you will just have to sit and watch,”
It seemed like such a light threat at the time. Not one that you would hold to but it wasn't as if you needed to hold it in the first place. Only two days in and it felt like both of them would fail. Neither of them brought this up to you, but it wasn't like they needed to, the signs were everywhere.
Yeonjun had taken to spending time in the office when studying, all of his school work done with no time left for cuddling on the couch with you. More time spent working out with taehyun and less flirty texts in between sessions like he usually sent. Huening on the other hand was slowly closing off. His tight responses ended in silence, hardly answering in your group chat. Even in bed at night both of their backs turned to you as you lay there looking up at the ceiling.
It wasn't as if you all were sex addicts, what the challenge really was, was knowing that you couldn't do something vs. just not being in the mood. It was the forbidden fruit effect spread out before them. Everything you did now was hot even if it was the most mundane thing imaginable. The season was changing and now even just watching you take off your coat after coming in from outside was enough to get them hard. Just the idea of taking your clothes off, even just one layer, was enough to send them on their way to their respective avoidance programs.
You could be laying on the couch, half asleep, and answering a question with a hum and they were done for. Even worse at night when you would change, or come fresh out of the shower, hair still dripping, leaving your shirt spotted with wet dots, the fabric getting cold enough to make your nipples hard. It was a curse to witness you walk out into the living room with your shorts showing so much skin.
And you could see it on their faces, the way their jaws tightened, throats bobbing as they swallowed. You had never seen Kai look so expressionless. Every little thing is pent up inside him, the negative aura radiating off of him as you sit down between them. Even just seeing your bare thigh sent them into the other room.
A week in is around the time you think they are going to break. Yeonjun coming home from his workout, hair still sweaty and sticking to his forehead as he wraps his arms around you from behind. His soft kisses on your neck as you prepare a cup of tea. “Want one?”
“No, I'm good,” his hands traveling under and up your shirt. It was the first time since that conversation in the bed that he's put his hands on you in any way besides helping to guide you by the small of your lower back. You melted into his hold, head rolling back, letting him feel over your skin.
Neither of you hear Kai's feet padding across the apartment's floor. Don't notice him standing right in the doorway until he clears his throat, “so you've given up already?” The accusation sounds more like a warning. It's like he's thrown a bucket of ice water over yeonjun, the realization crushing his forgetfulness. He tugs his hands away from you like you're a hot stove he's gotten too close to. “Jjunie-”
He doesn't even look up, hand over his eyes as he turns away, “No, I'm going to take a very cold shower,”
“I'll join!” it's mostly a joke, your giggle making them both scowl.
“No, stop talking about being naked around me right now,”
“Why?” you ask, leaning against the counter, tilting your head as he tries to wave away the word. Your smile stuck as he walked away.
“You're evil,” he tosses over his shoulder leaving you alone with huening. You can feel him standing there watching you. His hands shoved into the pockets of his hoodie while he leaned against the door frame.
“Do you want some?” you ask, pouring a spoonful of honey into your mug. He watches the way it dribbles and sees a dot drop to the counter, your fingers scooping it up and taking it to your mouth.
He watches you suck the honey off, not even caring that he's right there watching, hands tightening into fists as he thinks about the way your tongue would feel. He thinks he's hiding it well, that you can’t tell he's struggling so much. But he's so obvious, shaking his head and muttering that he's going to bed early. He swears he is never this horny, the two of you have gone well past a few weeks without having sex before and not even thinking much about it. Only now it’s all he can think about and it's making him feel sick, his stomach tightening every time he sees you in a room, like at any moment it won't be him you go to first to ask to get off.
Never has he been so jealous in his life, not even about yeonjun for kissing you but over your own fingers. Even if you caved and asked yeonjun to be the one to take care of you he wouldn't mind, he'd give up without question, but the idea that you can just walk around and sit with your own hand down your pants was what was killing him.
He could see it in his head, could picture that time you were struggling to get off with tears in your eyes, how he helped you just like you needed, yeonjun over the phone telling him to take care of you. He wanted that, he needed that. He wanted to help you again, he wanted you to help him, and yet he also wanted to last longer than yeonjun.
But you had had enough of watching the two of them being so avoidant. Feeling plagued by kai’s mood and yeonjun absence over something so stupid was annoying. Not caring about your tea you followed after Kai. He was already climbing onto the bed, curling up away from your side, arms crossed and eyes closed as you hopped in after him.
He doesn't acknowledge you are there even when you sneak your arms under him, wrapping him up and being the big spoon behind him. You press your face into his neck, breathing in his comforting smell, humming right against his ear.
“Hyuka?” it's rare you use the nickname, only when you really want something, kai associating it the most with your desperate calls for him to touch you. You can feel his body tightening, your leg raising to lay on top of his, tugging him even closer to you. “You're so tense,” Your hand on his stomach rubs in soft circles over the fabric of his hoodie, his breath hitching every time you pass over the waistband of his sweatpants. “You know I could help with that,”
Kai pulls himself away from you, all the way off the bed as you roll on your back. The little smile on your lips eating him alive. He was hard, painfully so, watching you there softly roll your hips, beckoning him. He can hear the sound of the shower, the beating water, the only other noise in the room, the light under the door fanning out around the floor. He watched you sit up on your knees, right at the edge of the bed, hands reaching out to tug him closer to you.
He let it happen, caved, and leaned down to rest his forehead on yours, eyes pinched closed as he muttered, “You're Killing me,” he could feel your smile when you kissed him, arms wrapping around his neck.
You had him right where you wanted him, his whimpers between kisses only pushing you on, pulling him back to the bed. He didn't say anything as he laid back against the headboard, your legs straddling him, and your hands already pulling off his top. “I shouldn't-”
“I won't tell,” you say in between kisses, his erection pressed into your thigh. “We can be quick, yeonjun won't even have to know,”
“He’ll know,” kai’s not even trying to keep it down, his soft whimpers leaving every time he rolls his hips to try and gain friction against your leg. “And I won't stop after just once, I don't think it will be enough,”
Both of you jump at the sound of yeonjuns voice, “What is this? My girlfriend in bed with another man?” Neither of you had even heard the water turn off, the steam still wafting out of the bathroom behind yeonjun as he rubbed a towel against his wet hair.
“Oh no Huening, I think my boyfriend caught us,” sometimes the three of you liked to joke like this, poking fun at the idea of what others thought about your relationship. But Kai wasn't in the mood. He wrapped his arms around you, flipping you over so you were on your back and he was on top pushing you into the mattress.
“My girlfriend, my bed. I want first,” he leaves no room for argument, his mouth back on your neck, hips grinding into yours.
“Giving up so early already Huening, I knew you couldn't last,” yeonjun tisks, he sits back in his chair in the corner of the room, his favorite view for moments like this. His towel is draped across his bare shoulders, arms crossed as he looks right at you. “And you, I'm sure you teased him into it,”
“no, I’d never do something like that,”
“Liar,” they both say at the same time, kai’s face pressed against your neck, hot mouth working down your throat. You wrap your legs around him pushing him closer, his breathy whimpers right in your ear. Twisting your fingers into kai's hair you pull on the strands, your smile eating yeonjun alive. He could tell himself he wouldn't cave but he knows it's a slim chance when he sees you like this with huening.
Not when he watches the way your lips fall open when kai pushes into you, the sweet little sounds you're making leaves him hard in seconds. It's worse now too because you're looking at him like you know exactly what he's thinking. And you do know, it's not too hard to guess as he leans back with his arms crossed, knuckles turning white as he readjusts in his seat to try and find some kind of relief.
Kai didn't even feel the need to strip you, pushing your panties to the side and not worrying about preparing you. The guttural moan he released when he was fully seated inside you reverberated against your whole body. He was a mess of whimpers, arms wrapping around you pulling you as close as he could, shallow thrusts in apology for ever denying himself from you. “Never again- I won't- I can't-” he's trying to get the words out, broken moans filtering through each breath he takes.
“He can't even talk, and I'm not even going to judge because if it's anything like how I remember I'd be just as bad,” yeonjun mutters, his jaw so tight he hardly opens his mouth to say it.
“Jjunie,” you moan, tugging kais hair as his hips stutter against yours, “don't you want to cum for me?”
Kai won't last hearing the word come from your mouth, every thrust just making you wetter, your warmth pulling him in. He's surprised he even lasted this long before he felt his first orgasm. If it wasn’t for the way he starts to tremble you wouldn't have noticed that he has cum already, not when he doesn’t pull out, doesn’t even slow down.
“Don't give me that look,” yeonjun warns, but it is not like you can help it when kai is pulling one of your legs up by the back of your knee, his hips sinking deeper, your eyes rolling back at the new depth.
Yeonjun doesn't even notice how his own hips are moving, leaning back just enough in his chair so that each roll gives him the just right amount of friction against his oversized sweatpants. He's trying not to make it obvious just how hard he is but he's finding it harder and harder to keep his hands off himself and away from you when the headboard starts to creek against the wall.
Huenings lets out a mix of grunts and whimpers, his cum making you so much easier to slip in and out of, the soft slapping sound of his thighs against yours drowning out any other thought in his mind. “Look at me,” he's gasping, pulling back just enough so that his hand not holding your leg can grasp the headboard, softening the sound for only a second before the bed is back to squeaking.
You don't deny him, his hair hanging around his eyes, mouth open as he feels the first tingle of overstimulation, thin silver chain necklace dangling just above your chin. His knees are digging into the mattress, the angle pushing him so much deeper. You reach down with one hand to rub on your clit, the other scratching at the back of his neck.
He's finding it hard to keep his eyes open as he tried not to cum again, “God you look so pretty like this,”
“Did you miss me?”
“Fuck yes, I missed this- I missed your pussy so- so much,” he trails off in a whimper, head tossed back exposing his throat to you.
Your orgasm is so close, aided by all of his desperate sounds. When all of his little ‘ah-ah’s’ get close together you feel yourself tip over the edge. Kai can’t handle the way you clench around him, the both of you are so wrapped up in each other that you don't notice the way yeonjun has to close his eyes. He's begging and praying that he could be stronger than he is but this is too much for him.
Worst still is how you look over at him at just the last second, a taunt caught right in your creased brow. He can't even take the pressure of his pants anymore, he tugs them down, cock hitting his stomach, heavy and aching. It does little to cure him of this need.
Kai lets go of the headboard, arms pulling you closer as he peppers your face in kisses, his happy giggle pressed right to your pulse. “Do you feel better?”
“So much,” he sighs, “I don't even care about losing anymore I just wanted- no I needed you so bad,”
“You know who else needs to forget the stupid bet?” your eyes are trained on the way yeonjun is trying and failing not to move his hips. Every micro-movement brushing his red tip against his skin gives the smallest amount of relief but not enough.
“Don't talk like I'm not right here,” his eyes are closed, fingers leaving imprints on his biceps.
“You should help him,” Kai continues, nose sliding down your cheek before he gives a soft kiss to the edge of your mouth. He pulls away, leaning back on his heels as he pulls out of you, quick to move your panties into place to catch any of your combined release in place to not spill on the sheets.
Standing on shaking legs you stand, stumbling until yeonjun pulls you on top of him. He's groaning as soon as you straddle him, his hands on your hips like a vise. “Why torture me?”
“No one said you had to watch, I was content with not letting you know but you sat down and didn't look away,” your nails lightly scratch over his chest, his humming response matches the subtle way he's trying to grind up into your clothed clit, panties wet and warm against him.
“I'll just put it in, I won't even move, I just- I need something,” it's like he's asking permission, wondering if this will mean he's failed, if you'll tell on him. Huening chuckles from the bed, knowing the truth because the second yeonjun slips in he won't be able to help himself.
“Okay, I won't move either,” you slip your hand down to pull your underwear to the side, the dribbles of your slick and kais cum leak all over. Dripping onto yeonjuns veiny cock and stomach. You try to wipe it away, your fingers on him making his ads flex, cock jumping when you put your fingers to your mouth, sucking away the saltiness. You barely get your fingers away from your mouth before yeonjuns kiss you. His favorite taste is you mixed with cum.
When you sink down on him both of you moan, the sound caught right in the back of your throat, his eyes squeezed tight as he tries not to thrust up into you. He's devastated to find that you feel even better than he remembered, his hold on your hips almost bruising as you clench around him.
“This was a horrible idea,” he’s gasping, “oh shit- i-,” he's cut off by your first attempt at moving up and down. “No, don’t, I won't be able to last-”
“But jjunie-” you whine, hand pushing into your lower stomach, right over where you can feel him pressing so deep into you. “I wanna cum again,”
“She's so greedy,” Kai adds, your hips rocking back and forth enough to leave yeonjun speechless.
Clit grinding onto his pelvis, you don't even care about bouncing anymore, the perfect friction to get you off, the tip of his cock pressed right against your g-spot bumping over and over with each movement of your hips. “You're going to have to get off, I can't lose- I won't-”
But it's not like he's letting you get off of him, he's actively helping you grind down on him, fingers digging into the flesh of your ass, “faster-” he's moaning, your hands on his shoulders for leverage before you're falling apart, your toes curling, every noise pressed right to his ear. The way your walls are fluttering around him makes his balls tighten, “I just won'tcum I just won't- I won't - I- fuck -oh fuuuckk,” He's not even stopping now, thrusting up into you to ride out his high, shoving all his cum as far as he can get it, not worried anymore when it feels this good.
“You're the worst,” yeonjun chuckles after the two of you have caught your breath, “I love you so much, but actually you're evil and I love it,”
“It's not my fault you couldn't help yourself, I told you it was stupid,”
“I just won't tell anyone this happened,” he shrugs but kai laughs from the bed.
“I already told everyone you lost,”
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