You and Taehyung went way back. You had crushed on him since high school, his charisma was hypnotic and you were hooked the moment he asked for your phone number. You became borderline obsessed. He was the ideal boyfriend. A huge mama’s boy, respectful, and hilarious. Your man was ethereal.

You hadn’t ever questioned Taehyung’s intentions with you. You two even talked about marriage.

It wasn’t until his 28th birthday that you noted a shift in his behaviour and when everything officially fell apart. 

You had just spent all afternoon at his brother, Jungkook’s, house. You and Jungkook arranged a surprise birthday barbeque and you were so excited to spend his special day with him and his whole family.

The whole day, you lied and said you were going for a girls' day out with your sister, who was newly single. Instead, you and Jungkook slaved over the stove making Taehyung’s favorites. You also decorated the shit out of Jungkook’s whole house, with the help of his tween daughter, Seol.

Jungkook told Taehyung to come over to help with fixing up his car, but in actuality you all jumped out of your hiding spots and yelled “happy birthday!”

He hardly reacted. He was dazed seeing your beautiful smile peak up behind Jungkook’s recliner.

His attitude was distant the whole night. He wouldn’t kiss you, and pulled away every time you went in to wrap your arms around his waist. He drank way more than you expected, tallying up about 10 beers.

Jungkook noticed it, too. He even asked if Taehyung should start taking it easy on the beer. That only pissed him off, which led you to break up an argument in front of their own mother. Jungkook was annoyed, noting how shitty Taehyung was being towards you. He was ready to fight his own brother on his birthday.

After the festivities and helping Jungkook with the dishes, you bid the whole family farewell. Taehyung was too drunk to drive home, so you knew you would take him home in your car, telling Jungkook you’d be back tomorrow to get Taehyung's car.

“Drive safe you two,” Jungkook said in the driveway after assisting Taehyung to the car. Even after Taehyung yelled and cussed at him, he still gladly accepted Jungkook’s help. He knew he couldn’t walk any more than 5 feet. You smiled watching them, happy they could make amends so quickly, and started up your engine.

The whole ride home, Taehyung kept checking his phone. The screen would light up into his glazed over eyes and he’d huff in frustration.

“Everything okay, baby?” You finally decide to ask. You glance over in his direction and you could tell he was annoyed by the question. You bite the inside of your cheek, anticipating him to blow up at you next.

Taehyung was not nice when drunk. He would blow up at the drop of a hat. There’d been countless times when he’d pick a fight with you after you picked him up from a bar or a friend’s house. You learned not to talk on any rides home when he was drinking. But you couldn’t help yourself.

“You want my honest answer?” Of course, you did. But when he says it like that?

“What is it, Taehyung?” He clears his throat, “I’m fuckin’ your sister.”

You felt your world crashing around you in that instant. You slam on your breaks on a main road, unable to actively drive due to the shocking news. You pull off into an abandoned parking lot, your hands shaking as you throw the car in park.

“What?” You didn’t even want to look over at him, your eyes welling with tears. “Yeah,” Is all he says, his voice changing, “I’m sick of lying. It’s only been a couple of times. But she wants to meet back up.”

His drunk honesty was like vomit coming out of his mouth. Constant and sickening. He was so heartless with his words. This wasn’t your Taehyung. What made everything so much worse was that it was your fucking little sister. You two didn’t have the best relationship, but you still cared deeply for her. This was the ultimate betrayal. You couldn’t believe that she, of all people, would try to destroy your picture-perfect life.

Not so picture-perfect anymore.

The soft hum of the radio takes up the air. You felt like you could suffocate with all of the tension. “How long?” He chuckles lowly, “Longer than I’d probably like to admit. Why do you think her ex dumped her?”

You finally turn to him. He looked remorseless, not even batting an eye at your distraught expression. “Get the fuck out of my car, Taehyung,” You say sternly, “I don’t want to see your face ever again.”

“Oh come on baby,” He groans, “At least take me home.” “Get.” The tears begin to fall, “Out. Now.” He throws his hands up in surrender, “Fine, don’t want to watch you cry, anyway. Makes me feel like shit.”

He opens the car door and you watch as he stumbles out. He practically falls on the concrete, his footing wobbly from the alcohol. If you were as heartless as him, you’d back your car right over him, but instead, you sped off as soon as the door slammed shut.

Your hands are still vibrating, unsure of what to do next, you pick up your phone and dial Jungkook. He answers after three rings.

“‘What's up, girl?” His voice is hushed like he was trying to be quiet for someone. It was late, maybe he was putting Seol to bed.

“Your brother.” It’s all you could say before breaking out into a deep sob. He becomes panicked, immediately springing into older brother mode, begging you to tell him where you are.

You finally catch your breath, “He’s a cheating bastard. He fucked my sister and I left him in an old parking lot.” Jungkook lets out a long sigh, “Where are you?” “I’m driving,” You mutter, choking back more sobs you feel coming up, “I can’t go home.”

You knew going home would be painful. All the photos lining your walls of you and Taehyung. The pictures with your own sister. All of his belongings were scattered all over the house. You knew you’d spiral, untangling the mess and missed signs.

“Come back to my house,” He suggests, “I’ll go get Taehyung and take him home. You know my house key, just come right in and settle down. Make some tea or something.”

You nod even though he can’t see you. Jungkook was the older brother you never had. He was mature and honest. You had come to him a couple of times to analyze Taehyung and his behaviour. It didn’t happen often, but he was great at advice. You trusted him. He was family to you.

“Thanks, Jungkook,” You wipe your tears, “See you in a bit.”

-

Luckily Seol was fast asleep in her room, snuggled up soundly, while you tried to contain your sobs. You couldn’t believe how drastically this evening turned.

Taehyung cheated on you with your sister.

The man you were hoping to marry and settle down with? The one who was adored by your parents? The one you told all your darkest secrets to? You had no clue how he would ever come back from this. And he did it with your sister?

You still could not grasp that it was her. The girl who always came to you for boy advice? Hell, she came to you last week asking about a guy she had been—

It was fucking Taehyung.

She wanted advice on how to woo your fucking boyfriend.

You wanted to strangle her too, but who knows what lies he may have been leading. You wanted the whole story, but you didn’t want to open a can of worms so late in the evening. You weren’t going to be sleeping, plagued by your own thoughts and emotions.

You’re curled up on Jungkook’s couch, using his huge knitted blanket. You turned on the TV only to give your cries some background noise.

Just when you stop the tears, Jungkook walks in with this look on his face. Disappointment. Rage.

“How are you holding up, sweet girl?”

Jungkook had tons of pet names for you, but that was a new one. He has always called you anything but your actual name.

“Not good,” You say, choking back more tears. You were practically all cried out, your cheeks were stained bright red. Jungkook shuffles over to you, dropping his keys down on the coffee table. He plops down on the couch next to me.

“He’s a fuckin’ idiot,” He mutters, patting your unclothed thigh. Maybe it was the words he said that sent goosebumps up your body, not the fact he took a long second to remove his hand from your leg.

“I just can’t… Why would he do this?”

He huffs, shrugging his broad shoulders, “I asked him and he said it’s because you aren't putting out like you used to. He said that your sister came onto him and he couldn’t say no.”

It felt like another stab to the heart. You and Taehyung had sex like three times a week. Every time he came inside you and praised you. You on the other hand, never came and had grown sick of having to finish yourself off every time it happened. So yeah, maybe you weren’t the eager young teen you were before, but you still fucked him whenever he wanted.

“That’s horseshit! I fuck him all the time. He is just… he’s a fucking cheating bastard. I just can’t believe it was her. Like what man fucks around with his girl’s own sister? He should have known better.”

You’re trying to rationalize his behavior in your head. But Jungkook is not as kind. “He obviously doesn’t, sweet girl. He…” He drifts off, catching himself for saying how he truly felt about his brother. Once he looks into your puffy red eyes, his tone changes, “He’s a stupid motherfucker for letting a girl like you go. Don’t know much about your sister, but she has some explaining to do, too.”

Your heart flutters a bit. Jungkook’s voice was so much more profound when he was angry, it was kind of hot. Why are you thinking that right now?

“I just can’t believe he would do something so… heartless. He didn’t even act sorry, Jungkook.” “The alcohol made him bold, that’s for sure.” He sits back on his couch, “I'm sorry, girl.”

You turn to face him, “Makes me think of the time he accused me of cheating.” “He accused you of cheating? When?”

It was years ago, right after your 21st birthday. Jungkook and Taehyung took you and a couple of your friends out to a club in downtown Hongdae. You took so many shots, you ended up dancing a bit too close with Jungkook. It led to a fight you had never brought up to Jungkook himself, but nonetheless, Taehyung thought you had a thing for his older brother.

Sure, Jungkook was nice. He was a bit more serious than Taehyung, always trying to be the rational one. He was an excellent and present father, dedicating his entire life to raising Seol. He had similar features to Taehyung. Tall, dark hair. When you talked to him, those eyes of his were so laser focused on what you said, sometimes you found yourself stumbling over your words. Maybe it was a little crush.

“It was years ago,” You confess, looking down at your bitten back cuticles, “He thought I had a thing for you.” His eyes zero in on your lips, like he’s trying to take the words out of your mouth, one by one. “A thing? What type of thing?”

You shake your head, pushing your face into your hands. This wasn’t something you wanted to talk about, especially not now. But it was distracting you from thinking about what you could’ve done. Instead, you’re reminding yourself of all the shitty things Taehyung has done over the years. That “perfect boyfriend” you had in the beginning was falling apart a long time ago. You just hadn’t seen the signs right in front of you. Now here they are, splattered all over the floor.

“He thought you and I had a bit too much fun on my 21st, I don't know! He always acted so weird when I talked about you. You’re like my brother, I would never cross that line.”

The silence in the room was deafening. You finally raise your head, looking at Jungkook’s contemplative face. “Never?” You stare at him, looking for a smile to crack across his face. Like it was a joke or something.

But it wasn’t. The air in the room shifted. “Jungkook,” You mumble, before his fingers reach up and trace your bottom lip gently, “We can’t.”

“Why? because I’m like your brother? or because you’re still banking on kissing and making up with Taehyung?” It was a fair question. Making up with Taehyung was never even a question, though. After being burned so harshly, you didn’t see any redemption. He was done for. Once that confession slipped past his lips, he was as good as gone.

This would be the greatest revenge. Fucking his brother? What could you lose? Jungkook could be your rebound. Something to ease the harsh sting you still felt in your heart. You start to feel a guilty pile in the pit of your tummy. But then you hear Taehyung’s words ringing in your head. “I’m fuckin’ your sister.”

Yeah, you could use some revenge.

“You can’t tell him,” You murmur, making sure it’s in a whisper. Even if you wanted this to be revenge, you didn’t want Taehyung to know, “Ever.”

“It’ll be between you and me, babygirl.” You nod, finally accepting his offer. He grabs your legs and pulls you into his lap. You never thought you’d see the day where you would be mounted on top of Jeon Jungkook. His eyes feasted on you in a way that sent tingles straight down to your core.

“I can’t lie, babygirl,” He purrs, his hands tracing you from your thighs all the way up to your shoulders, “I have thought this scenario out countless times.” “Really?” “Of course,” His hand finds its way to your neck, “Seeing you at family gatherings, watching you at bars with Taehyung. Always wanted to pull you into a bathroom and get a feel of these,” He runs his hands down your chest, catching the edge of your maroon tank top. Taehyung’s favorite color on you. He pulls it down, revealing your white bralette underneath. It was your favorite push up, a present from Taehyung. He was littering your body, but instead of Taehyung’s hands removing every trace of himself away from your body, it was his brother.

Jungkook doesn’t take note of your dazed expression, he’s too focused on your cleavage spilling over your bra. His fingers trace back to the clasp, his fingers expertly unhooking it. It sends chills down your back, while your boobs fall further out of the bra. He helps you shimmy it off your front, his eyes lighting up when your boobs rest right in his eyeline.

“Fuckin’ heavens,” He groans, his thumb and pointer finger tugging on your left nipple. You hiss, letting yourself get out of your own head for a moment. Your boobs were extremely sensitive, which is why every man you’d ever been with used that to their advantage. Instead of treating your pussy to a good time, they just toyed with your nipples while drilling into you, which usually had you cumming after a couple minutes.

Deep down, you wished Taehyung had actually given your pussy the time. Eat you out, finger you until you saw stars. But he never had “time for that”. His words.

Jungkook wraps his lips around your nipple, letting his tongue circle around your areola. He uses his open hand to massage your other tit. Once he releases your nipple, he leaves love bites at the swell of your boobs. He groaned at your reaction, which was grinding your hips achingly slow across his lap.

“Mmm,” You hum, your hands finding his hair locks, “More.” “im not gonna fuck you here,” He scowls, “Gonna take you to my bed.” Without warning, he stands up, gripping onto your thighs to take you with him. You yelp in shock, throwing your arms around his neck.

“I got you,” He states, walking down the hall to his bedroom. You had been in there before, only to grab his wallet one day when you guys were in a rush to get to Seol’s soccer game. It was only slightly messy and smelled like him. Clean laundry and milk shampoo.

You were thrown atop his unmaid sheets, bouncing a bit at the impact. You decide to use the time of Jungkook crawling onto the bed, to completely discard your tank top. Jungkook’s body takes over yours, his one hand propping him up, the other feeling your sides and scooping up your breast.

“Think I’m gonna take my time with you,” He grunts, his hand finding your short’s belt loops, “Make you forget everything and focus on me.” You nod, agreeing to his terms.

He sits back on his knees, tugging down your shorts and thong. He hisses as soon as he notes the wetness on your lace panties. Once he tosses the items beside the bed, he nudges your knees apart.

“Damn, baby girl,” He just looks at you completely spread for him, shaking his head in disbelief, “Taehyung’s a fuckin’ idiot. Could look at this pussy every minute of every day.”

You moan before you can retaliate, your mind responding to his fingers tracing your slit up and down. You watch him crawl up you, his lips so close to yours. You two hadn’t even kissed yet, instantly going to tear each other’s clothes off. It felt more intimate, more real.

He finally leans in, pursing his lips to meet yours. Jungkook was gentler than expected. Taehyung was always in a hurry, his kisses only to warm you up a bit. You never really kissed during sex either, because he always had you doggy, which wasn’t ideal for kisses.

Jungkook’s kisses took your breath away. He was slow and methodical, slipping his tongue into your mouth. You finally decide to pull him down onto your naked body, his hips settling between yours. The action made him a bit more eager, as he grinded his crotch into your wet center.

“Gonna have me cumming in my jeans, sweet thing,” He laughs, pulling away from your swollen lips. He crawls back down the bed, his shoulders resting between your thighs this time.

“What are you doing?” You ask, hesitantly. He smiles again, “I'm gonna eat this beautiful pussy of yours. Unless you don’t want me to.”

You had no real objections, it was just something you had never fully enjoyed with anyone else before. You were willing to see what JeonJungkook could bring to the table. You nod your head in agreement, letting him rest his hand on your lower tummy, holding you in place for his mouth. He ducks down, pressing small kisses over your clit. His actions already had you writhing under his touch.

He continues on, gripping your stomach a bit harder as he explores your pussy with his tongue. He switches between sucking and licking, eventually settling with running his tongue in circles inside of you. You were a groaning mess, your hand eventually finding your mouth so you could control the volume. You didn’t want to embarrass yourself with how loud you could be. He stops as soon as you do it.

“You ain’t gotta do that,” He says, his mouth wet with your slick, “I wanna hear those pretty little moans of yours. Don’t worry about anyone hearing you.”

You take your hand off your mouth and he continues on with his assault on your folds. It’s sending you into overdrive, watching him go down on you. He was so hot, splayed out between your thighs, devouring you whole.

His exploration ends with him wrapping his lips around your clit and sucking you up like a straw. You couldn’t believe how good the vibration felt.

You were feeling that heat in your stomach, so as soon as Jungkook slipped his hand up and began adding fingers inside you, you knew you were done for. He starts with two, fucking you slowly and systematically. He curls his fingers up like a hook, his lips still wrapped around your bud.

This was it. This is what you were missing. Your unrestrained pleas don’t fall on deaf ears. Your orgasm hits you like a semi-truck. You reach for anything in your vicinity, which happened to be Jungkook’s hair and his white sheets. He didn’t let up on you as you came around his fingers, fucking you through it.

“Holy f-fuck,” You stutter, “Jungkook what the fuck?” “We are just getting started, sweetheart,” He states, standing up beside the bed to take his clothes off. His cock was standing at attention in his boxers before he tore them off.

Taehyung was above average, but Jungkook was well endowed.

You gape at the view, unable to really form coherent sentences. “You’re drooling” He jokes, finding his way back on top of you. You giggle, letting the joke roll of your shoulder, instead of letting it embarrass you. He finds your lips again, kissing you roughly this time. You could tell he was aching for you, his hips finding their way between yours again.

“Oh,” You say, feeling his tip nudge your folds, “I’m on birth control, by the way.” “I assumed so,” He states plainly, kissing your neck and chest, “Won’t cum in you unless you want me to.” You grin, “You’re all about consent, aren't you?” He laughs, “You’re in control here, baby girl. I'm just here to get your mind off all the shit.”

You have never been so enamored by a man in your life. He was saying all the right things, but you knew in your heart he wasn’t just saying anything. Jungkook was a genuine guy. He never lied to you or belittled you. The longer you’re under him the more you start to realize that this is what you’ve wanted all along.

He brings you back to reality with an feverish kiss, drawing you back to the moment. His hands trail down your side, tickling you a bit. “Hey,” You murmur, pulling away from his delicious mouth, “I want to… I uh-“

You don’t know how to say it. To be honest, you and Taehyung were in a routine with sex so you didn’t know how to ask to suck someone off. You usually just did it first to get it done and over with. But you felt like you needed to do it for Jungkook, not out of obligation, but because you wanted to see him squirm under your touch. You have thought about it more than once.

“Words, sweetheart.”

“Let me suck your dick.”

He smiles, letting out a slight chuckle at your demand. He never thought he’d hear that coming from your mouth. He waits a second, acting like he’s seriously contemplating the offer. Of course he was going to accept.

You sit up, giving him more space to lay down next to you. You crawl over his legs, settling between his calves. His cock was red, the veins so prominent. It was just waiting for you. He tucks his one arm behind his head, propping it up to watch you put on a show.

“Let me know if I’m doing okay,” You ask sheepishly. You wanted to punch yourself for saying something so stupid. You were never confident in your abilities and you didn’t want to disappoint Jungkook. He nods, watching you grab onto his shaft with your hands, “You’ll do great, baby girl.”

You spit into your hands once you realize you need more lubrication. You crouch more, jerking him off slowly. He is already so reactive, throwing his head back against his headboard.

You begin to tease him, peppering kisses onto his shaft and tip as it leaked. You smile when you hear him hiss at you toying with him. You finally wrap your lips around his dick, sucking in your cheeks as you pull your head back. He was so big you couldn’t physically get your mouth completely down his length. He was girthy, too, which didn’t help either when it came to almost unhinging your jaw to take all of him.

“Such a good girl,” He praises, taking your hair into his grip, “You don't have to take it all.” The reassurance was comforting. You didn’t feel any pressure with Jungkook, which only made him more desirable in your eyes. You watch his face twist in delight every time you take him into your mouth, wrapping his cock in your saliva.

“Keep doing that and I'm gonna cum in that mouth,” His drawl is so buttery and deep, your center literally clenches. You pull off of him, gaining some confidence in your bedroom talk. “Need that done somewhere else.” He shakes his head, sitting up more to manhandle you up to his lap. As you slide across his body, you feel his wet cock touch your inner thighs.

Your mouth falls open as soon as his hands grab your hips and settle you right over his length. You are on your knees on either side of his thighs, looking down at him and his absolutely spent expression. His hair was standing in all different directions and his eyes were dark with anticipation.

“Want me to do the honors?” He grabs his cock, positioning it right below your opening. Your lips twitch upward, shaking your head positively. He lines you up, pushing his hips upward. He is stretching you immediately, the angle making you crumble under his touch already. Your legs practically give out when he’s partially sheathed in you, which causes you just to sit and take the rest of him in you.

“Oh my fucking god,” You moan out, shutting your eyes to soak in every twitch, “I have never been this fucking full.” Your eyes fly open, realizing what you just insinuated. “Don’t worry, baby girl. I knew he wasn’t giving you exactly what you needed,” He starts to guide your hips to circle his, “I give you what you need.”

You never expected him to be so confident, but it was so hot. You rested your hands on his pecks and started easing yourself up and down onto his length. His lips flick upward, watching you get yourself off on his dick. He loved watching you like this, just enjoying yourself.

After a minute, he realizes he can’t let you be the only one doing the work. You were so in your own world, riding him and feeling every inch of him. Your blissed out mind gets over taken when he grabs you and rolls on onto your back. He is on his knees as he grabs your legs with both of his hands, spreading you out. He grinds into you, his cock hitting you at a different angle now.

You choke out, reaching out to grab his shoulders. He takes the hint and dips down to capture your lips again, caging your body between his. He picks up the pace when you start to press your tongue forward into his mouth. You can’t help but whimper at how good he feels.

“You fuck me so good,” You mewl. He was panting, his hot breath fanning your wildly tangled hair. He takes his bottom lip between his teeth, focusing on making you feel good. Every pump inside you brought you closer to that familiar warm feeling. He notices your heat clenching around him, which makes him want to change up his technique. He pushes off the pillows, grabbing your hips and slamming into you at a rate you didn’t know Jungkook was capable of.

“God, I can’t believe how fuckin’ good you feel, baby,” He pants, his thumb finding your swollen bud. As soon as he puts pressure there, you’re screaming out. “Mhm, that feel good? This cock better than his?” “Yes, Jungkook, oh my god!” He doesn’t let up. He wants to see you fall apart so bad, knowing those beautiful whimpers will send him into ecstasy.

“Cum for me, baby girl. I know you’re aching to,” He clenches his teeth, “Let go.” You have never had your vision go white when you orgasm. It’s like you’re about to see the gates to Heaven. He holds your body, making sure to feel every nerve in your body fire off into euphoria. You don’t even know what you’re saying, you just know it’s an iteration of his name and a bunch of cuss words as you reach your peak.

You were absolutely obsessed. You knew it as soon as the come down brought back your vision and you saw Jungkook. He was throwing his head back while painting your insides with his cum. He looks so delicious, his entire toned upper body glistening with sweat. He had to be the only man in the world, at that moment.

Once he pulls out, you truly realize how sensitive your core is. You shiver, feeling his cum trickling down your backside. You wanted to laugh at the absurdity of the situation. You just fucked your boyfriend’s brother. And it was the best sex you’d ever had in your life.

You thought you’d feel that all too familiar regret, but instead you just look over at Jungkook as he flops down next to you. He’s staring at you, a slight smirk playing on his lips. You were trying to find the right words to say to him. He just did the Lord’s work. Do you say thank you?

“You okay,” He asks while he runs his hand up your arm, causing goosebumps to litter your skin. You grin, “I’m okay.” “Do you want to stay here tonight?” He was worried you’d go home and see Taehyung passed out on the couch where he left him and regret everything. He knew you would probably stay here anyway, but he anticipated you taking the guest room next to Seol’s.

But you weren’t going to take the guest room. No, you wanted to spend the rest of the night in his arms. Maybe even go for round two. “As long as I get to stay right here,” You purr, taking his hand from your arm. You bring it up to your lips and kiss his fingers, “Right beside you.”

Maybe it was for revenge in the beginning, but Jungkook made you feel like the woman you wanted to be all along.

writer's note: will this happiness of their last forever? what do you think would happen if Sara found out her dad's fucking her uncle's girlfriend? How do you think Taehyung would react knowing this? will Y/n go back to Taehyung?

oh god there's lot to unfold