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Summary:

With his sweet prey all dolled up for him, how could Heeseung ever resist?

Notes:

there's not enough heesun + boypussy kim snoo and i think that's a crime, so someone has to take one for the team lol enjoy! (also read the tags, that's enough warning for you not to indulge yourself in this fic if you don't like it.)

Work Text:

A groan leaves his lips as he drops the controller down his lap out of frustration. it's his second time loosing in the game, just because he couldn't focus.

"Sunoo!" Heeseung calls out to his younger brother for the third time as loud as he can, so that the other could hear him. The door bell has been ringing for a while now and Sunoo's room was nearer to the door so Heeseung expects him to answer it, yet the younger doesn't seem to hear it nor hear his voice. 

Infuriated, he stands up from his seat on the floor and marches down the hallway and towards his brother's room, ready to give the younger an earful. When he opened the door though, the view that he sees is the last thing that he expected. 

Sunoo is sleeping on the bed, wearing a skirt and a crop top, thin layer of clothing molded into his lithe frame and his thick and milky thighs openly exposed for Heeseung to gawk at. 

It was no secret that the younger has a thing for feminine clothing, but Heeseung had only seen him wear them in pictures. Witnessing it in person is sure such a different experience, and Heeseung is definitely affected by it. 

He had always found the younger cute—prettier even, than most girls he's ever met. Heeseung finds him hot too on occasions where he would dress up extra and put on make-up on his already gorgeous face.

It didn't help that his younger brother was always terribly comfortable around the house, often only wearing thin shirt and shorts that barely covers his thighs and seeing no issue with wandering around Heeseung in an almost teasing way.

Countless of nights he had to spend completely holed up in the four corners of his room, jerking his cock to the image of some random girl he had seen on pornos, but his mind always ends up drifting to Sunoo — clad in a pretty skirt, kneeling between his legs, obedient and begging for Heeseung to fuck him.

Yes, Heeseung is attracted to his younger brother; a secret that he promised himself to take to his grave. 

Today though, it looks like that frail promise will be broken. And he knows he's going to hell for it.

His eyes scans over Sunoo's slender legs, skirt hiking up just enough to show his white panties, and Heeseung's throat feels dry as he imagines how pretty they probably would look if he could get a proper view of it. 

He hesitates for a second, gulping the saliva pooling in his mouth, but his feet stays glued on the floor. One side of his mind is telling him to leave and maybe repent for thinking of his own brother like that, but the perverted side of his mind is screaming for him to have just one look to satisfy his curiosity. 

Technically, it would be okay since they're only step-brothers... right?

Taking a deep breath, he lets his feet bring him near the sleeping figure on the mattress after closing the door behind him. His real agenda for storming into Sunoo's room is long forgotten, now replaced with the need to feel his brother's skin as he sits on the very edge of the bed. 

Heeseung's gaze wanders on his brother's figure with hungry eyes, watching the way Sunoo's lips parts slightly, looking soft and inviting as usual. Oh how much he wants to kiss them. Then his gaze goes lower, observing the way his brother's chest rises up and down as he slept, his nipples visible through the thin fabric.

He knew he already lost his battle against his desires when he starts hovering above the younger, licking his lips as his head dips lower to get a taste of his brother. Darting his tongue out, Heeseung gives the exposed neck an experimental lick, before he starts gently sucking on the tout skin to leave a faint mark to bloom on the spot. When Sunoo instinctively bares his neck, Heeseung's stops for a moment, sudden nervousness and thrill kicking in, only for soft snores to continue leaving the younger's plump lips. 

Sunoo looked so vulnerable and pretty right underneath him, just the way he had been imagining for months, and knowing that he could get caught any moment only made Heeseung want more. He's not going to stop now, not until he gets what he wants.

When the younger remains motionless, Heeseung continues his ministrations, navigating down further under he comes face to face with Sunoo's chest. He tugs at the hem of the crop top to reveal his brother's pink and perky nipples, and Heeseung got his lips wrapped around them in an instant. 

Small whimpers and deep breaths reaches his ears as he continues his abuse sunoo's erect nipples, and Heeseung can't help but smile to himself knowing that the younger is probably dreaming, causing his body to respond and arch into Heeseung's mouth. He hopes he's included in that dream. 

He finally settles down in between Sunoo's legs, hooded eyes feasting at the sight of his younger brother's unconscious body laid in front of him, all ready for Heeseung to take.  

"Such a pretty little thing you are. so eager and so, so responsive for me. you're liking this, aren't you?" Heeseung says to Sunoo who's still in deep sleep, hand's spreading the younger's legs wider to accommodate more of him. 

Heeseung fights the urge to grind into him just yet, and instead let his hands caress Sunoo's inner thighs, reveling in the way it feels soft and bouncy as he gives it a squeeze. It looks like it's been waiting for Heeseung to touch it, to fuck it, and his pants tightens at the thought. fuck, they would feel so good around my cock. 

He finds each and every feature of Sunoo beautiful and completely breathtaking, but the next thing he discovers is what completely drives heeseung's mind into frenzy. 

With a a mind of its own, his trembling hands went up higher, fingers catching the hem of the skirt to tug it up. Instead of a cock bulging through the panties, what he sees is a wet patch forming on the fabric, the outline of his folds prominent against the soaked fabric.

His brother has a pussy, and the last string of sanity Heeseung has been holding onto finally snaps. 

Self-control leaves him in that moment, pure lust occupying his brain as he pushes the panties to the side, revealing Sunoo's pussy, pink and delicate like it hasn't been defiled yet. Heeseung dips his finger into the fluttering hole to collect the juices, then slides it in between the folds, spreading the wetness before he starts rubbing the clit. Sunoo is starting to squirm, louder moans falling from his mouth which only seems to encourage the older. 

Deciding to take his time, Heeseung lowers himself even more until he's face to face with Sunoo's sopping cunt, completely peeling off the younger's panties. It would be such a shame if he didn't get a taste, right? 

Spreading the folds apart with his fingers, heeseung licks a bold stripe, starting from sunoo's hole up to his clit. He repeats the motion a few times before he finally plunges his tongue inside, his index finger joining in, feeling the younger's walls greedily sucking him in. He can't help but groan as he imagines how tight Sunoo would be around his cock. 

Heeseung was too occupied that he didn't notice his brother slowly starting to wake up, hips squirming away from the stimulation and mouth hanging open in a loud whimper when heeseung curls his finger inside. that seems to snap Sunoo awake, sleepy eyes looking at the head in between his thighs. It didn't register what was happening at first, until he feels another wave of pleasure shooting up his spine, legs instinctively closing. 

"H-huh? What's happeni—aaah," Sunoo rasps out, words dying in his throat when he feels something pressing down on his already sensitive clit. He tries to push away whoever is in between his leg, tugging at the hair weakly, but his pathetic attempt of escaping is stopped by stronger hands pinning his wrists on his side. 

"Shhh, it's just hyung. Don't worry." Heeseung tries to calm down the younger by hovering above him again and pressing kisses all over his cheeks and when Sunoo tries to protest, Heeseung only latches his lips on the younger's plush ones, effectively silencing him. 

The kiss is sloppy at first, with Heeseung easily dominating the other's inexperienced ones. Sunoo is completely pliant underneath him, just like he wants, so he decides to reward the younger by reaching down between his legs again and starts rubbing the sensitive nub in circles again. 

"Such a naughty baby, look at you getting wet with just my fingers." Heeseung muses, enjoying the way Sunoo's cheeks turn red in embarassment.

Sunoo shakes his head, denying the older's claims, but moans and whimpers came instead when he opens his mouth again to prove him otherwise, hips bucking into the touch. 

"No? but I think you've been waiting for me to touch you like this," Heeseung slips a finger in, and then adds another one almost immediately, slick walls clamping down as he tries scissoring them. "You even dressed up in such a slutty outfit and left your door unlocked for your hyung to find you. I bet you were even awake when I was molesting you earlier."

"N-no, I was taking p-pictures," the younger stutters, legs trembling at the stimulation while his hands attempts to push the hands away.

"Pictures for who?" He curls his fingers again in an angle that has Sunoo arching his back, only for him to retract his hand completely a second later. "Does my baby brother have a boyfriend now? without his hyung's permission?"

"It's not what you think, please," Sunoo shakes his head frantically, a panicked look rising on his features when he sees the older holding his belt, which seems to appear out of nowhere.  

"Are you selling your body now online? Letting random dudes jerk off to your pretty cunt? Is that what it is, Sunoo-ya?" 

Sunoo chokes out a sob at the accusations of his brother, only managing to whimper a weak 'no'. He feels humiliated by the older's words but at the same time, it ignites a burning need within him. 

"I think you deserve a punishment." The younger's cries and protests falls on deaf ears as Heeseung grabs the his wrists and restrains them with his belt, before placing them above his head. "Keep them there or i'll make this hard for you. We don't want that now, do we?"

Pursing his quivering lips shut before he can let out another whimper, Sunoo nods his head obediently, tears now trickling down his flushed cheeks. 

Making a quick work of his pants and ridding himself of his underwear, a satisfied sigh leaves heeseung lips as he finally let his painfully erect cock free. He already made a mess of his underwear, precum now smeared all over his tip but then again who wouldn't when his sunoo, his beautiful and fuckable Sunoo, is right in front of him with his pretty cunt all in display?

"I bet you let the boys at your school run a train on you," Heeseung says as he lubes up his cock, languidly stroking it as he watches the younger's face grow red in embarrassment. When Sunoo clamps his thighs together, Heeseung is quick to spread them wide again in a rather harsh way, pushing them apart as far as they could go while he rubs his slick cock against Sunoo's slit. 

"Is that why you chose to go in an all boys school? to let them have their way on you and pass you around? I didn't know I have such a slut of a brother." Heeseung remembers the first fight he had with Sunoo when he didn't enroll to the university he goes to. Back then, he doesn't know why he felt so protective and possessive of his brother. But now, all those feelings are finally justified. 

"T-that's not true," Sunoo's voice wavers when the older starts slapping his cunt with his cock, his body heat sky rocketing at the gesture. He's so ashamed at how turned on he is that he couldn't even form a coherent response. 

Heeseung only raises an eyebrow. "Does that mean hyung's the only one who got to see like this, then?"

Sunoo nods his head shyly, soft pants leaving his sinful lips. The revelation awakens something primal within Heeseung, the need to claim the younger and brand him as his right then and there intensifying. God, he could ruin him like this. He will ruin him like this. Make sure no one else will be able to satisfy him the way heeseung does.

"Aw, baby," Heeseung coos, prodding the tip of his cock teasingly against the younger's slick hole. "That's how it should be though, isn't it? Hyung's the only one who can touch you and make you feel this good." 

After what felt like forever, Heeseung finally pushes into the wet and tight heat, groaning at the feeling of Sunoo's walls clamping down around him and sucking him in. He hears the younger let out a high pitched moan, which was soon cut off by a loud gasp when he pushes up to the hilt. 

"Say that you're mine only," Heeseung grabs Sunoo's jaw as he bends over, forcing the younger to meet his eyes. "Or I won't move."

"—'m yours, h-hyung," The way Sunoo's voice trembles and stutters is like a music to his ears. He can't even talk without whining, and heeseung loves every second of it. He thinks he just gained another addiction. 

"Fuck, you're so tight," The older grunted as he pulls out almost all the way out, only to slam his cock back in, relishing in the way Sunoo's walls spasms around him. "D-don't worry, hyung will train your tight little cunt. okay? Gonna make you the best fuck doll ever." 

Heeseung kisses the younger's tear-stained cheek before he pushes himself back up, hands now resting around sunoo's dainty waist. Just as he expected, his big hands easily wraps around the younger's torso and Heeseung's dick twitches at how small his brother is. He could practically manhandle Sunoo into any position that he wants, and the younger wouldn't be able to do anything about it.

The way his hyung is treating him is all too much for Sunoo, turning his brain into a complete muddled mess. But Sunoo likes it, no — he loves it. He figures he doesn't mind being reduced into a mere fuck toy if it's his Heeseung hyung. 

"So, so pretty for me," Heeseung says, his breath labored as he starts pounding into the younger at a punishing pace, and all Sunoo can do is let out moans after moans, feeling boneless and putty in Heeseung's hands. 

"Hyung, c-close," Sunoo manages to utter before another moan leaves his already hoarse voice, feeling a familiar knot tightening in the pit of his stomach.

"Call me oppa and I'll let you cum." Heeseung commands, slowing down his thrusts which earns a low whine from the younger. When he completely halts his movements, that's when Sunoo starts to sob pathetically.

"Oppa, please let me cum," The younger's cheeks blooms into a deeper shade of red, looking up at Heeseung with pleading eyes. 

Heeseung grins, satisfied. "Good girl."

He would make him beg more if only he isn't feeling impatient himself. So he resumes his thrusts, angling his movements in the way his cock would directly hit Sunoo's sweet spot while toying the younger's swollen clit, punching out gasps and moans from him.

It doesn't take long before sunoo finally comes around his cock, walls clenching around Heeseung's cock and milking him of his own orgasm. Now fixated on his own release, Heeseung manhandles Sunoo, almost folding him in half as he pushes the younger's shaking legs against his chest. 

"Gonna fill you up so good," Heeseung says in a rough voice, droplets of sweat trickling down his forehead as he cages sunoo in a mating press, not leaving any space for the younger to squirm away from him. Heeseung couldn't see even an inch of him like this, it was all inside Sunoo as the younger squeezes the living life out of him. "You'd like that, won't you? For oppa to breed that filthy cunt of yours?"

Squeezing his eyes shut in humiliation, Sunoo nods his head dumbly, chanting a chorus of 'yes' like a broken prayer. He no longer remembers about the older's command earlier, his bounded hands holding onto Heeseung's broad shoulders like his life depended on it as waves after waves of pleasure racks through his body.  

If Heeseung notices it, he doesn't mention it anymore, too fixated in reaching his own orgasm. He's sure Sunoo's body would be sore, his skin bruised all over once heeseung is done with him. Soon he feels the heat coiling in the pit of his stomach, teetering over the edge as his relentless pounding slowly turns erratic. It's when Sunoo cries his name in a high pitched voice that pushes Heeseung to the edge, his climax blinding him for a moment as he spills his cum deep into the younger's walls until the last drop. 

Squelching sounds along with ragged breathing fills the room as he shallowly fucks the younger's pussy through his orgasm, Sunoo's hands weakly pushing him as he tries to squirm away from overstimulation. The room reeks of sex, their skin covered in light sheen of sweat made the younger look even more delectable in Heeseung's eyes.

"T-too much, too much!" Sunoo sobs as he twitches in Heeseung's hold and this seems to snap the older in his daze, only letting out a breathy laugh as he plants a kiss on the boy's spit-slicked lips before pushing himself off of him. Heeseung finally frees his wrists, trailing soft kisses on the belt marks around it and somehow, Sunoo feels warm at the gesture.

"Look at you, so fucking messy." The older tuts as his gaze wanders down Sunoo's legs, eyeing the hot white semen oozing out of the boy's abused hole. Sunoo is so fucked out that he couldn't even feel embarrassed anymore, his brain still high from serotonin rush of his mindblowing orgasm.

It's only when the older dips his fingers in his pussy again to collect cum that Sunoo manages to close his legs, Heeseung's voice hushing him as he whines due to sensitivity. 

"Open up for me, pretty." Heeseung says as he holds his fingers near Sunoo's lips, in which the younger obliges, plump lips wrapping around the slender fingers obscenely. "Who owns you again, hm?"

Sunoo lets the fingers slip out of his mouth, hooded eyes meeting the older's gaze, his words slurring but still audible. "Heeseung oppa."

Heeseung smiles at that, whispering soft praises into Sunoo's ears before kissing him on his lips. Sunoo barely registers the older's voice telling him that he'll come visit him later at night before the fatigue pulls him into deep slumber. 

 

•••

 

The next time Sunoo wakes up is around dinner time, he nearly thinks what happened was a dream if not for the new clothes he's wearing, the fresh sheets he's laying on and the soreness between his legs. His face heats up at the memory, which only intensifies when his brother's head pops out of his doorway to call him for dinner. 

The whole meal is a blur to Sunoo who couldn't focus at all due to lingering gazes of Heeseung and the only thing that seems to snap him out of his daze is the voice of the older telling their parents if he could sleep in Sunoo's room tonight. 

"Oh, that's good honey. It'd be great if you two could bond more while you two are on a break."

Heeseung throws a knowing smirk at Sunoo's way who is now squirming in his seat, cheeks flaring up as the scenes of earlier's event keeps on replaying on his mind. 

"We'll definitely bond more, right Sunoo?" 

If they only knew what kind of bond heeseung and sunoo would be doing in the next following days.