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2026-07-01
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after practice practice

Summary:

“hyung, can i ask you something weird?”

sion raised an eyebrow. “go ahead.”

riku hesitated for a second. “i know you kiss the members a lot… but have you ever actually kissed anyone? like... kiss kiss,” he asked, genuinely curious.

OR

when sion and riku's little habit that started as harmless curiosity, begins to spiral beyond what neither of them expected.

Work Text:

“one last time, everyone! again from the chorus,” sion called, clapping once.

groans followed, but everyone moved anyway.

it was already close to 12 am, but their concert was coming up real soon, so they had no choice but to push through. they had been practicing the whole day, and everyone was visibly exhausted, but they still tried to put whatever energy they had left into the final run.

when the song ended, sakuya let out an anime-like scream, as if to dramatically say “finally”. sion laughed, reaching over to ruffle his hair, a burst of cuteness aggression taking over him at the younger’s reaction.

“good job all! rest well. see you at the dorm later. i’m gonna practice just a little bit more,” sion said, already moving to help the staff clean up the practice room, picking up the countless empty coffee cups scattered around and tossing them into the trash.

once everyone was ready to leave, sion ran up to sakuya and pressed a quick kiss to his cheek, teasing him one last time before he left. one thing sion loved doing is ragebaiting the hell out of their youngest, that’s for sure.

“hyung, you’re so annoying,” sakuya complained, wiping off his cheek aggressively, glaring at sion like he had just committed a crime.

sion only laughed, completely unbothered. “what? i can’t even give a goodbye kiss anymore?”

“i told you to stop doing that!!” sakuya snapped, storming out of the room while the others followed behind him, completely used to the chaos by now. everyone said their goodbyes, except riku.

“oh? not going back yet, riku?”

“i’m gonna practice a bit more too. i’ll accompany you, hyung,” riku said, before dropping back onto the couch.

 

 

they practiced for a while longer.

about forty minutes later, they’re now both sprawled across the couch, sweaty and worn out from dancing. they both sat in silence for a while, just trying to catch their breath in the now quiet practice room.

then, riku broke the silence.

“hyung, can i ask you something weird?”

sion raised an eyebrow. “go ahead.”

riku hesitated for a second. “i know you kiss the members a lot… but have you ever actually kissed anyone? like, kiss kiss,” he asked, genuinely curious.

sion couldn’t help but chuckle at that question. “of course i have. have you not?” he said, a small grin forming as old memories briefly crossed his mind.

riku went silent, looking down as he fiddled with his fingers.

sion blinked. “…no way. are you serious?” his expression softened almost instantly. “awww, my baby,” he cooed, pulling riku into a loose headlock and ruffling his hair, just like he did with saku earlier.

“would you like a kiss?” sion teased lightly.

riku didn’t answer. he just sat there, blushing, head still lowered.

sion tilted his head, amused. “riku? why aren’t you saying no?” he pressed, raising an eyebrow again with a laugh.

“…i don’t know,” riku admitted. “i guess i’ve always been curious about how it feels. how people can just… do it.” he paused, then added more quietly, “what if i have my first kiss one day and i don’t know what to do?”

the sincerity in his voice, and the nervous look in his eyes, made something in sion’s chest soften immediately.

“should hyung show you?” sion said, tone gentler this time. “you can practice with me. it won’t count as your first kiss, don’t worry. it’s just practice after all,” sion allegedly teased, again.

but then riku looked up at him.

“could you?”

sion froze. because really—how was he supposed to say no to a face like that?

“you’re really serious?” he asked, voice quieter now, searching riku’s expression for even a hint of hesitation.

riku nodded.

sion let out a soft laugh under his breath, more nervous than teasing this time. “you know i was joking, right?”

“i know,” riku said. “…but i’m not.”

that caught him off guard. for a moment, neither of them moved. then, sion shifted slightly where he sat, turning his body to face riku more fully. 

“okay,” he said after thinking it through for a second. “but if we’re doing this, we’re doing it properly.”

riku tilted his head. “properly?”

“yeah,” sion smiled, leaning in just a little. “i’m not gonna let you go into the world kissing people badly. that’d be embarrassing for both of us now, wouldn’t it?”

riku let out a quiet, nervous laugh, but didn’t pull away. that was all the confirmation sion needed.

“first,” sion said softly, lifting a hand to tilt riku’s chin up, “you don’t hide like this.”

riku froze at the touch.

“look at me,” sion whispered. knowing the one thing that the boy couldn’t do is look him in his eyes.

but slowly, and very hesitantly, riku did.

their faces were closer now. close enough that sion could see the way riku’s lashes trembled, his face flushed from the closeness, the way his lips parted slightly without him realising.

cute. dangerously cute.

“relax,” sion added, almost instinctively, brushing his thumb lightly against riku’s jaw. “it’s just practice, okay?”

riku swallowed. “…right.”

sion slowly tilted his head as the distance between them disappears. he brought his hand to the back of riku’s neck, guiding him to come closer. and for a second, sion was the one who hesitated.

it was strange. he had kissed people before, easily. casually. but this felt different. maybe it was the way riku was actually looking at him. or the fact that this meant something, even if they were pretending it didn’t. they were best friends after all. and worse—they were also coworkers.

but before he could overthink it, he continued leaning in again.

“…we’ll start simple,” sion mumbled, more to himself than anything.

riku nodded, even though he wasn’t sure what that meant.

their lips finally met, soft and unsure. just a brief press at first, almost like sion was testing the waters. he pulled back slightly, eyes flickering all over riku’s face, checking; riku’s eyes were closed shut, which caused sion to let out a little laugh.

“that’s it,” sion said. “that’s a kiss.”

riku blinked, like he was processing something, then frowned slightly. “…that’s it?”

sion laughed. “what? were you expecting fireworks or something?”

“…i don’t know,” riku admitted, still staring at him. “it just felt like…,” he cut himself off, cheeks getting even redder.

“like what?” sion pressed, amused.

riku hesitated. “…like you stopped too fast,” he muttered under his breath.

that made sion pause. “…oh?” his tone shifted to teasing now, just slightly.

riku immediately looked away. “i mean– not that i–”

“no, no,” sion interrupted, smiling now, a little sharper this time. “that’s good. that means you’re paying attention.”

he leaned in again before riku could say anything. but this time, he didn’t pull away as quickly.

their lips met again—still soft, but more certain now. sion tilted his head just a little, adjusting the angle like it was second nature, guiding the other without saying anything.

riku tensed for a second, then relaxed when sion softly caressed his back signalling “it’s okay”.

then, albeit hesitantly, he started leaning into the kiss too.

sion felt it immediately; the way riku responded instead of just receiving. it made something warm settle in his chest, something a little too satisfying for this to just be “practice”. when they pulled apart again this time, it was slower.

closer.

neither of them moving very far.

“…like that,” sion said softly.

riku didn’t answer right away. he was still looking at sion like he was trying to figure something out. “…can we try again?” he asked, quieter this time.

and that—that definitely wasn’t just curiosity anymore, sion thought. but he just smiled, and nodded.

“yeah,” he said. “we can practice as much as you want,” sion suggested. “you wanna try taking control?”

riku hesitated for only a second before nodding. 

he tried to recall what sion had done earlier—he lifted his hand to gently tilt sion’s chin up but still avoiding eye contact, his other hand came up to rest at the nape of sion’s neck, fingers curling slightly as he held him there.

for a moment, he just looked at every part of sion’s face but his eyes. studying. taking in every detail of his face like he was trying to memorise it. he wasn’t sure if it was just his imagination, but… sion looked a little flushed. flustered even.

that alone gave him a bit more confidence.

then riku leaned in slowly, eyes fluttering shut as he closed the distance. his lips hovered over the other’s before brushing against it—soft at first, testing—then firmer this time. more certain.

he pressed forward just a little too eagerly, causing sion to sink back into the couch. his hand slid up into sion’s hair without thinking, fingers tangling as he pulled him in closer—like it was even possible to get any closer.

sion let out a quiet breath against him, surprised but… not stopping him. if anything, he seemed amused.

“you– mmh, learn fast,” he murmured in between the kiss, voice low, barely there.

riku didn’t answer. he was too focused—too caught up in the feeling, in the way it was already different from before.

sion noticed it too. so he guided him wordlessly—tilting his head slightly, shifting the angle, deepening the kiss just enough to show him more. when riku followed, a little clumsy but eager, sion let out a soft groan under his breath.

then, carefully, sion parted his lips a little more and brushed his tongue against riku’s. he responded, though reluctant at first, then more certain, meeting him halfway. their movements were uncoordinated, a little messy, but they quickly found a rhythm, learning as they went.

they were definitely past “just practice”. but neither of them minded it.

when they finally pulled away, still out of breath, riku raised a very serious question: 

“help me practice again tomorrow?”

sion chuckled.

 

 

the next day, it happened again.

it starts the same way. late night, everyone else already gone, the music turned low in the background. but this time, there was no teasing, no hesitation.

just a glance. an unspoken “again?”

sion nods.

 

 

and somehow, without either of them saying it out loud, it became a habit—as natural as staying up late, as normal as running the same chorus over and over again until they get it right.

and one day, it might have gone a little bit too far.

they were already stealing glances at each other before practice even ended, the tension sitting thick between them, unspoken but obvious to everyone around them. by the time the music stopped and the others started leaving, riku was already watching sion. waiting.

and the moment the room emptied, riku didn’t wait. he immediately walked over to sion, closing the distance like he’s gotten used to it, like it’s second nature now. his hands come up without hesitation, settling where they’ve learned to go, pulling sion in like he already knows what he wants.

he leaned in for a kiss, crowding into sion’s space until sion is forced back against the couch. their movements get less careful, less thought-out, like they’ve stopped paying attention to the “rules” they never really set in the first place.

“riku—” sion starts, but it comes out quieter than he expects.

riku climbed onto sion’s lap, cupping sion’s face with both of his hands, deepening the kiss. after carefully thinking about it for the past few days, he’d decided he wanted to try something new today.

he slowly grinded his hips in sion’s lap, which in return earned a muffled moan from the other. that didn’t stop him—if anything, it only got him more excited, more confident. when sion settled his hands on riku’s waist, it encouraged riku to move even more. his moves heavier now, more deliberate.

sion broke the kiss to throw his head back on the couch, saliva string slowly dropping down his chin, enjoying the sensation of the thick fabric of riku’s jeans rubbing against him. riku glanced down, eyes trailing over the outline beneath the fabric, clearly noticing the reaction he was getting.

as he rolled his hips again, he slowly guided sion’s hands to his zipper—a wordless request. sion happily obliged, lifting his head up to kiss riku again while unbuttoning his jeans effortlessly. riku broke the kiss and got off sion’s lap to kick off his jeans and boxers away before settling right back onto his lap, closing the distance like he couldn’t stand the separation.

the combination of the cold air-conditioned room air hitting his bare cock plus the thought of him sitting ass naked like this on his hyung immediately gave riku a full hard-on, so he started to grind against sion even harder, trying to relieve himself.

“fuck, you’re too good,” sion whispered, guiding riku’s head down to his neck. riku immediately understood. he started leaving small soft kisses from behind sion’s ear down to his collarbones.

sion’s hand slowly caressed riku’s inner thigh, before moving onto his length—one finger teasingly circling the tip. the small gesture made riku throw his head over sion’s shoulder, into the couch. 

“ah– hyung…” riku cried out.

and that was when sion managed to catch a glimpse of them in the mirror: of riku sitting on top of him, bare-assed. of his left hand gripping riku’s tiny waist. of riku’s back arching into his touch. and that was exactly what made him lose it.

he immediately got up from the couch, holding riku up as he brought him closer to the mirror. he set riku down and made him face the mirror, forcing riku to look at himself. 

“why do you look so good like this…?” sion trailed off, practically salivating at the sight of riku being all sweaty, bangs sticking on his forehead, face flushed, with pre-cum leaking from his tip. it was a sight to behold for sion. 

he then tugged his own pants off as well, dick springing up the moment the fabric dropped.

“can i make you feel good?,” sion asked, already bringing his hand down to the other’s length. riku nodded—a little too hastily. as sion starts moving his hand, he watched the younger’s reflection in the mirror as he’s slowly coming undone under his touch—chest heaving from the sensation, moaning softly into his ear. all while riku couldn’t stop himself from looking down at sion’s slender fingers all wrapped around his cock, steadily pumping up and down.

sion noticed the way riku’s thighs trembled, barely able to hold himself up any longer. that’s when an idea popped in his mind. he took a step back from the mirror, bringing riku with him.

“pull your legs together real tight for me, baby,” sion whispered into riku’s ear.

he settled one hand on riku’s hip before bending him forward slightly. then, he crouched to line his cock behind riku, positioning it in between his thighs before slowly sliding forward.

the first glide felt good. too good.

and then he kept going. his hands dug into riku’s waist like he was afraid he might slip away if he didn’t.

“like what you see?” sion smirked, pulling riku’s hair back to make sure he was looking at himself in the mirror.

riku gave a thoughtless nod, unable to focus on anything other than the sensation of sion’s cock sliding back and forth in between his legs, slightly grazing his own cock with every motion. when he finally caught a proper glance of sion’s tip peeking in and out between his thighs, that was when he knew he was done for.

riku’s cock throbbed, left untouched, bobbing up and down as sion thrusts into him over and over again, pre-cum now leaking out of him and down his thighs. he couldn’t take it anymore. he couldn’t stop thinking about how sion was fucking him, even if it was just his thighs. just the thought alone got him all riled up all over again.

how could something so wrong feel so good?

riku was grateful for sion’s hand on his hip, steadying him, because his knees were starting to give out. every thrust of sion’s cock sent a shiver down his spine, his body reacting before he could even think.

then it all became too much. the sound of their illicit act, the way their clothes were still half on, sion’s soft moans against his ear—everything blurred together. riku couldn’t hold back anymore. he accidentally came at the sight of it all, accidentally spilling all over the mirror before he could even try to stop it, even though a part of him wanted to hold on just a little longer.

he was already seeing stars.

“aw, baby… look at you, spilling all over untouched. i’m almost… there…” sion trailed off, words slurring as his pace grew uneven. the slick sounds as he fucked riku’s thighs echoed in the room. for a second, he thought he might never want it to stop. but he couldn’t hold it in anymore.

with one last thrust, he came all over riku’s thighs, entranced at the sight of his own cum sliding down between the younger’s legs.

sion leaned forward, breathing in the mix of sweat and warmth clinging onto riku’s skin, before softly whispering against him.

“same time tomorrow?”