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S lines

Summary:

Oh sion finds a glasses which allows him to see S lines [sex lines]

Notes:

i was inspired by a kdrama about the "S lines" and the rest is my own idea! it'll have 2 parts and part 2 will be uploaded soon!!

Chapter 1: S lines

Chapter Text

The gym lights shut off one by one behind Oh Sion as he stepped out of the school building, the cold evening air hitting the sweat sticking to the back of his neck.

“Captain! Don’t forget practice at seven tomorrow!”

“I know, idiot,” Sion called back lazily without turning around.

The younger players laughed before the doors shut behind them.

Sion exhaled deeply.

His entire body hurt.

Practice had been brutal. Coach had them running drills for nearly three hours because of the upcoming regional tournament, and Sion honestly felt like collapsing onto the pavement and dying dramatically.

He adjusted the strap of his duffel bag on his shoulder and shoved one hand into his pocket while the other scrolled through his phone.

Notifications flooded his screen.

Basketball group chat.

Fan account tags.

Random girls sending him compliments.

One confession.

Another confession.

He rolled his eyes.

Being attractive was exhausting. Not that Sion was humble enough to deny it. He knew exactly what people said about him.

Oh sion

Basketball captian.

Model-level visuals.

Broad shoulders.

Tiny waist.

Lean muscles.

Sharp jawline.

Pretty eyes.

The type of guy people turned to stare at even when they didn’t mean to. He had gotten used to it years ago.

His black earpods played music softly as he walked down the quiet street toward home, illuminated by orange streetlights.

Then—

Thunk.

“OW—what the hell?!”

Something smacked directly against his forehead. Sion stumbled back with a wince, nearly dropping his phone. Something rolled across the pavement with a tiny clinking sound.

He blinked.

A pair of glasses.

Round-framed. Silver.

“…Seriously?”

He looked upward immediately.

Nothing.

No balcony above him.

No open windows.

No people nearby.

The street was empty. Only the rustling sound of trees answered him.

Sion frowned deeply.

“Did a ghost just assault me?”

Any sane person would’ve left it there. Sion, unfortunately, was not always sane. He crouched down and picked up the glasses.

They looked… brand new.

No cracks.

No scratches.

Not even bent.

Which was weird considering they had literally fallen from the sky and hit his head.

“Expensive too,” he muttered.

He blew away a speck of dust dramatically before putting them on.

And immediately regretted it.

“…Whoa.”

He stopped walking.

A middle-aged man was crossing the street ahead.

Above the man’s head floated four glowing red lines.

Sion froze.

“What the fuck?”

The lines hovered horizontally above the stranger’s head like neon marks.

Bright crimson. Almost transparent.

Sion quickly pulled the glasses off.

The lines disappeared.

He blinked.

“…Nope.”

He put them back on.

The red lines returned.

“…Absolutely not.”

He stared harder.

The man kept walking casually like nothing was wrong.

Sion slowly turned his head.

A young girl walking with her mother had one red line above her head.

An old grandmother waiting by the store had 2.

A teenager riding a bicycle had two.

Everyone.

Every single person.

Different numbers.

Floating red lines.

Sion removed the glasses again.

Gone.

Put them back on.

There.

“…I’m hallucinating.”

Maybe he was too tired. Maybe basketball practice had finally destroyed his brain. Maybe dehydration caused supernatural delusions.

“Cool,” he whispered to himself. “Love that for me.”

But despite saying that…

He carefully removed the glasses and slid them into his jacket pocket.

Because curiosity was stronger than fear.

By the time Sion reached home, his confusion had only worsened.

His family’s large house glowed warmly against the dark evening sky. He kicked off his shoes lazily at the entrance before trudging upstairs toward his room.

His muscles screamed in pain. He tossed his duffel bag onto the floor and stood before the mirror.

Slowly…

He put the glasses back on.

Three red lines floated above his own head.

Sion stared.

“…Three?”

He tilted his head.

The lines tilted with him.

“What do these even mean?”

He reached upward experimentally, trying to touch them.

Nothing.

His fingers passed through empty air. The lines remained suspended. Untouchable. Weirdly glowing.

He looked ridiculous.

“Am I cursed?”

Knock. Knock.

“Sion, dinner’s ready,” his mother called from outside.

Sion turned instinctively.

And froze.

His mother stood at the doorway smiling softly. Above her head floated one red line. But unlike the others… That line extended outward. Connected to something.

Sion’s eyes widened.

Slowly, very slowly, he followed the glowing line downstairs.

His mother walked ahead naturally, unaware of her son stalking behind her like a detective in a crime documentary.

At the dining room table sat his father.

And above his father’s head—

One red line.

Connected directly to his mother’s.

Silence.

Sion stared.

Then realization punched him directly in the soul.

“…No fucking way.”

He looked between his parents. The lines glowed faintly. Connected. Together.

“Oh my god.”

His mother blinked. “What?”

Sion internally screamed.

'So it IS a sex line?!'

Everything suddenly made horrifying sense.

The numbers.

The connections.

The floating red indicators of absolute psychological damage.

His three lines.

He nearly collapsed into his chair.

“Sion?” his father frowned. “Why do you look traumatized?”

“it's nothing dad.”

He grabbed his water and drank aggressively. His parents exchanged concerned glances.

Dinner passed painfully.

Every few seconds Sion accidentally looked at the lines again and wanted to evaporate from existence.

He learned three things during dinner:

One, the glasses definitely worked.

Two, he never wanted to know this information about humanity.

And three—

He absolutely could not tell anyone.

Because nobody would believe him.

Around midnight, Sion sat cross-legged on his bed with the glasses resting in front of him. His room was dim except for the desk lamp beside him.

He stared at the glasses.

The glasses stared back.

“…Now what?”

He poked them suspiciously.

Nothing happened.

No magic.

No evil laugh.

No mysterious ancient spirit.

Just glasses.

Very traumatizing glasses.

He buried his face into his hands.

“This is insane.”

His first instinct had been to throw them away.

His second instinct had been to burn them.

His third instinct—

Was showing his friends.

Because if he had to suffer, then so did they.

Sion snatched his phone off the bed and typed quickly.

Sion : oi yushi

The reply came almost immediately.

Yushi: what do you want? I'm with riku

Sion rolled his eyes so hard he nearly saw heaven.

Sion : Do you guys even have your own life? y'all are always up in eachother's ass

Three dots appeared instantly.

Yushi : he's my boyfriend obviously I'll be in his ass

Sion gagged violently.

Sion : ew 🤢 anyways i have something to tell y'all...or maybe like show y'all 

vid call?

Yushi : 👍

A second later, Sion called.

Yushi answered almost immediately.

The screen revealed Tokuno Yushi lying against a bed headboard looking completely unbothered by life itself.

Beside him—

Or more accurately on top of him—

Was Maeda Riku.

Riku had his head resting on Yushi’s chest comfortably while scrolling through something on his own phone.

“Hi Sionnie hyung!” Riku greeted cheerfully.

Sion’s eye twitched.

“How have you both become more disgusting since yesterday?”

Riku grinned.

“Talent.”

Yushi looked bored already. “What’s so important?”

Sion sat up dramatically.

“Okay listen carefully because you idiots are about to witness something insane.”

“That sentence never leads to anything good,” Yushi muttered.

“So I was walking home after practice right? And suddenly this—”

Sion held up the glasses.

“—fell on my head from nowhere.”

Riku squinted. “Glasses?”

“Magic glasses,” Sion corrected.

Yushi sighed instantly.

“No.”

“YES.”

“No.”

“HEAR ME OUT.”

Riku was already giggling.

Sion continued anyway.

“When I wear these, I can see red lines above people’s heads.”

Silence.

Then—

Riku burst into laughter.

Actually laughed so hard he nearly slid off Yushi entirely.

Yushi pinched the bridge of his nose.

“Hyung, you need sleep.”

“I SWEAR I’M NOT JOKING!”

“You sound insane,” Yushi informed him calmly.

Sion shoved the glasses closer to the camera dramatically.

“I saw them on everyone! Different numbers too! Then I saw my parents’ lines connected at dinner!”

Riku wheezed. “Connected?!”

“Yes!”

“Like soulmates?” Riku asked between laughs.

Sion pointed aggressively.

“NO. Worse.”

Yushi narrowed his eyes slightly.

“…What do you think they mean?”

Sion looked deeply disturbed.

“I think they’re sex lines.”

Dead silence.

Then both Riku and Yushi exploded laughing.

Riku fully rolled onto Yushi’s lap cackling while Yushi covered his face with one hand, shoulders shaking.

Sion looked offended.

“I’m serious!”

“Hyung,” Riku gasped through laughter, “what kind of cursed hentai plot is this?”

“I DON’T KNOW!”

Yushi finally recovered enough to speak.

“So according to your theory… everyone has floating body count lines?”

“Yes!”

“And those who fucked eachother connect?”

“Yes!”

“And you just accepted this immediately?”

“What else am I supposed to think?!”

Riku laughed harder.

Sion glared.

“You know what? Fine. Don’t believe me.”

“We don’t,” Yushi confirmed immediately.

“Cool. Great. Amazing.”

Sion snatched the glasses back dramatically.

“I’ll bring them to school tomorrow. Then you idiots can test it yourselves.”

Riku wiped tears from his eyes.

“Okay but imagine if you accidentally looked at a teacher.”

Sion froze.

“Oh my god.”

Yushi started laughing again.

Sion pointed accusingly at the screen.

“If I get traumatized tomorrow, it’s YOUR fault.”

“How?” Yushi asked.

“You manifested negative energy.”

“That’s not how anything works.”

Riku suddenly gasped.

“Wait hyung.”

“What?”

Riku looked way too entertained.

“How many lines did you have?”

Sion immediately went silent.

Yushi’s eyes narrowed suspiciously.

“…Sion.”

“No comment.”

“Sion.”

“Nope.”

Riku sat upright instantly.

“OH MY GOD.”

Sion looked away.

Yushi smirked slowly.

“How many?”

“…Three.”

Riku screamed laughing.

Yushi actually choked.

Sion felt his soul leave his body.

“IT’S NOT FUNNY!”

“It absolutely is,” Yushi said immediately.

Riku clutched his stomach dramatically.

“Captain Oh Sion has THREE sex lines—”

“STOP SAYING IT LIKE THAT!”

“You’re literally the school bicycle,” Yushi added.

Sion gasped in betrayal.

“You’re one to talk!”

“At least I’m loyal.”

“You’ve dated Riku for like five minutes.”

“2 years,” Riku corrected proudly.

“Disgusting,” Sion muttered.

Yushi smirked. “Still less embarrassing than magically discovering your own body count.”

“I hate both of you.”

Riku grinned brightly.

“We love you too, hyung.”

Sion groaned and flopped backward onto his bed.

“This is why I should’ve become friends with normal people.”

“You play basketball,” Yushi said. “You were never going to meet normal people.”

“Fair.”

For a moment, the three of them sat in comfortable silence.

Then Riku tilted his head curiously.

“But hyung…”

Sion looked up cautiously.

“What?”

“What if the lines don’t mean that?”

Sion blinked.

“…Huh.”

The room went quiet again.

Because honestly, Riku had a point. Sion sat up slowly.

“What else could it mean?”

Yushi shrugged. “Relationships?”

“No because why would a child have one?”

“Future relationships?”

“Then why did my dad have one?”

Riku hummed thoughtfully.

“What if it’s soul connections?”

“That sounds like a webtoon,” Yushi deadpanned.

“Maybe it’s destiny!”

“Maybe it’s psychosis,” Sion replied.

Riku pouted.

“You ruin whimsy.”

Sion rubbed his face tiredly.

“This is giving me a headache.”

Yushi suddenly smirked slightly.

“You know what would solve this?”

“What?”

“Testing it.”

Sion narrowed his eyes.

“…Meaning?”

“Wear the glasses tomorrow.”

“That was already the plan.”

“No,” Yushi continued calmly, “actually investigate.”

Riku gasped dramatically.

“A mystery arc.”

Sion stared at them.

Then slowly smiled.

Because unfortunately…

That did sound interesting.

And maybe slightly fun.

“Fine,” he said.

Yushi nodded once.

“Good.”

Riku leaned forward excitedly.

“We should test couples!”

“You sound way too enthusiastic about this,” Sion muttered.

Riku ignored him completely.

“Oh! And strangers too! And teachers! And maybe celebrities!”

“You need help.”

“Also,” Yushi added casually, “I want to see if my line connects to Riku.”

Riku instantly melted.

“Aww.”

Sion gagged again.

“You two are unbearable.”

“But you love us,” Riku chirped.

Sion stared blankly at the ceiling.

“…Maybe the glasses are punishment from God.”

Yushi snorted quietly.

Riku suddenly pointed.

“Wait hyung.”

“What now?”

“What if the glasses only work for you?”

Sion paused.

That…

Actually made sense.

“…Shit.”

Yushi frowned slightly now too.

“Can we even use them?”

“I don’t know.”

Riku looked excited anyway.

“Tomorrow will be fun.”

Sion sighed deeply.

Somehow his normal peaceful life had turned into supernatural relationship detective nonsense in under twelve hours.

And the worst part?

A tiny part of him was curious.

Very curious.

Because if those lines really meant what he thought they meant…

Then there were probably secrets hidden everywhere.

Sion slowly looked toward the glasses sitting beside him on the bed.

The silver frames reflected the dim room light quietly.

Harmless-looking.

Ordinary-looking.

Absolutely cursed.

“…I should throw these away,” he muttered.

“Don’t,” Riku said immediately.

Yushi nodded once.

“We need entertainment.”

Sion stared at his friends in disbelief.

“You’re both terrible people.”

“True,” Yushi admitted easily.

Riku grinned brightly.

“So tomorrow?”

Sion sighed dramatically.

“…Tomorrow.”

The next morning, Oh Sion regretted every life decision that had led him to this moment.

Including picking up mysterious glasses from the street like some side character in a cursed horror movie.

He stood outside the school gates with one hand in his pocket and the other holding an iced americano, staring at the silver-framed glasses hidden inside his bag.

“Why am I nervous?” he muttered to himself.

It was ridiculous. They were just glasses. Traumatizing, reality-shattering glasses, but still glasses.

Sion sighed deeply before finally taking them out and sliding them onto his face.

Immediately

Red lines.

Everywhere.

“…Jesus Christ.”

Students flooded through the entrance gates as usual, laughing loudly, gossiping, running because they were late, or trying to act cool in front of their crushes.

And every single one of them had those glowing red lines above their heads.

Some had one.

Some had two.

One third-year guy from the soccer team had six.

Sion nearly spat out his coffee.

“No wonder he walks like that,” he muttered.

He continued walking through campus, eyes darting around almost involuntarily now.

This was horrible.

Actually horrible.

Because now that he knew what the lines probably meant, he couldn’t stop looking at them.

A shy first-year girl passed him with one tiny line above her head.

Two girls walking together each had one line connected to each other.

Sion blinked.

“…Oh.”

Okay.

Then he saw one of the PE teachers with eight lines.

Sion immediately looked away.

“Nope. Nope. I reject this knowledge.”

He speed-walked down the hallway like a traumatized man. Unfortunately for him, the universe clearly hated him. Because standing in front of his locker were Tokuno Yushi and Maeda Riku.

And the second Sion saw them, he burst out laughing. Actually laughing so hard he had to lean against the lockers. Yushi frowned instantly.

“What?”

Riku blinked in confusion. “Hyung?”

Sion pointed at them wheezing.

“You two—”

The red line above Yushi’s head connected directly to the red line above Riku’s.

Only one line each.

Brightly connected.

Sion nearly cried laughing.

“Oh my god,” he gasped. “So you two really were each other’s first and last huh?”

Riku instantly turned pink.

“H-HYUNG!”

Meanwhile Yushi looked entirely unashamed.

“Yeah,” he said calmly. “We’re loyal unlike some people.”

Sion gasped dramatically.

“You bitch.”

Riku covered his face with both hands while laughing shyly.

“Yu-chan!”

“What?” Yushi shrugged. “It’s true.”

Sion pulled off the glasses dramatically and shoved them toward Yushi.

“Here. See for yourself.”

Yushi raised an eyebrow before taking them.

“This better not be a prank.”

“It’s not.”

Riku bounced excitedly beside him. “Hurry hurry!”

Yushi finally put them on.

And immediately froze.

“…Oh shit.”

Sion crossed his arms smugly.

“SEE?”

Yushi’s eyes widened slightly as he looked around the hallway. Students passed by casually, completely unaware of the glowing lines floating above their heads.

“…What the fuck,” Yushi muttered quietly.

“Told you.”

Riku jumped impatiently. “I wanna see too!”

Yushi slowly removed the glasses before handing them over.

“This is insane.”

Riku immediately shoved them onto his face.

And gasped.

“Holy shit…”

Sion looked offended. “Why did you believe him faster than me?”

“Because he doesn’t usually sound mentally ill.”

“Wow.”

Riku ignored him entirely as he stared around the hallway in fascination. Then he turned toward Yushi.

And instantly smiled. The connected lines glowed faintly above them.

“What?” Yushi asked with a small grin.

“I told you I only ever do it with you.”

riku chuckled softly.

“Good.”

Sion gagged loudly.

“Oh my god enough.”

Riku laughed before removing the glasses and handing them back carefully.

“Hyung… this is actually crazy.”

“Exactly!”

“What do you plan on doing with it?” Riku asked curiously.

Sion shrugged as he slid the glasses back on.

“I honestly haven’t thought about it—”

He froze mid-sentence.

Completely froze.

Because walking down the hallway toward them was Kim Daeyoung. Or Jaehee, as most students called him.

Perfect uniform. Neatly styled dark hair. square glasses resting on his nose. Books tucked against his chest. Polite smile. The definition of harmless nerd. Class president. Top student. Teacher’s favorite.

The kind of guy who probably alphabetized his pencils.

And above his head—

Sion’s jaw nearly dropped.

“…What the fuck?”

“What?” Riku asked.

Sion stared.

One line.

Two.

Three.

Four.

Five.

Six.

Seven.

Eight.

Nine.

Ten.

Eleven.

Twelve. 

Thirteen.

No.

More.

Way more.

At least 15 glowing red lines floated above Daeyoung’s head.

Sion had never seen that many before. Not even close. His brain genuinely stopped functioning.

Because there was absolutely no way Kim Daeyoung—quiet, nerdy, “sorry for breathing too loudly” Kim Daeyoung—had the highest body count Sion had ever witnessed.

It made no sense.

None.

“Hyung?”

Sion snapped out of it.

“Huh?”

Riku frowned slightly. “You okay?”

“Sorry,” Sion muttered quickly. “What were you saying?”

Yushi sighed.

“He said the glasses shouldn’t fall into the wrong hands or it’ll cause trouble.”

“Oh.”

Sion nodded slowly.

“…Yeah. You’re right.”

But his eyes drifted back toward Daeyoung instinctively.

The other boy stood nearby now, adjusting his glasses while helping a younger student understand something in their textbook.

He smiled politely.

Softly. Warmly. Completely innocent-looking.

Meanwhile Sion stood there internally screaming because how the fuck did this nerd secretly have double-digit experience?

Was there an underground secret life happening?

Did Daeyoung become Batman after school hours?

What was going on?

“Well,” Sion said finally, forcing his attention back to his friends, “I’ll make sure they stay with me.”

Riku nodded seriously. “Good.”

Then the warning bell rang through the hallways.

Students immediately started rushing toward their classrooms.

Riku pouted dramatically.

Yushi sighed fondly before leaning down and kissing him casually right in front of Sion.

“Bye baby,” he murmured. “I’ll see you at lunch, okay?”

Riku smiled instantly and hugged him.

“Bye Yu-chan.”

Sion pretended to gag violently.

“No PDA please.”

“Die lonely,” Yushi replied immediately.

Riku laughed brightly before waving goodbye and hurrying toward his classroom.

Yushi glanced toward Sion once more.

“Don’t do anything stupid.”

“Define stupid.”

Yushi narrowed his eyes.

“That answer alone worries me.”

Then he walked away.

Sion sighed dramatically before leaning against his locker again.

His eyes unconsciously found Daeyoung one more time.

Still there.

Still smiling politely.

Still somehow carrying enough red lines to make Sion question reality.

“…No fucking way,” Sion muttered under his breath.

The problem was that Sion couldn’t stop thinking about it.

He tried.

Really.

He attended classes. Half-listened to lectures. Ignored the girls whispering about him. Pretended to pay attention during homeroom. But every single time he saw Daeyoung

His brain short-circuited. Because nothing matched. Absolutely nothing. Daeyoung looked like the type of person who apologized when someone bumped into him. The type to spend Friday nights studying. The type to remind teachers about homework.

Meanwhile according to the glasses?

This man was apparently living a completely different life.

Sion nearly lost his mind during lunch when Daeyoung politely offered someone his extra pen.

“How can someone look THAT innocent?” Sion whispered to himself in horror.

“What?” one of his teammates asked.

“Nothing.”

Because what was he supposed to say?

Sorry, I’m currently struggling because the class nerd secretly fucks?

No. Absolutely not.

So Sion kept his mouth shut.

But unfortunately…

Curiosity was beginning to eat him alive.

By the end of the school day, Sion was exhausted all over again.

Not physically this time. Mentally.

He had spent the entire day trying not to stare at people’s heads. Which was surprisingly difficult once you knew glowing red information floated there. The glasses remained hidden safely inside his bag.

And honestly?

He was beginning to think maybe Yushi was right. Those things could genuinely ruin lives. One wrong person finding out…

Yeah. Disaster.

Sion walked down the sidewalk quietly, hands in his pockets while lost in thought.

Daeyoung.

15 lines.

Impossible. Maybe the glasses were wrong. Maybe he misunderstood.

Maybe—

THUD.

Sion walked directly into something solid.

Or someone.

“Oh! Hey—I’m so sorry!”

Sion blinked and looked up immediately.

And there he was.

Kim Daeyoung.

Up close, he looked even softer somehow. Clean uniform. Pretty eyes behind glasses. Slightly messy dark hair from the wind. Sion suddenly felt weirdly awkward.

Which made no sense.

“Uh… it’s fine, Jaehee.”

Daeyoung smiled politely.

Small.

Gentle.

“Sorry, I wasn’t looking where I was going.”

“No no, I wasn’t paying attention either.”

Why was this conversation awkward? Sion literally spoke to hundreds of people daily. But now all he could think about was:

15 lines.

15 fucking lines.

Daeyoung adjusted his glasses slightly before stepping aside for him.

“Well… see you tomorrow, Sion.”

“Yeah.”

Sion nodded quickly and walked ahead.

But after a few seconds

He glanced back. Daeyoung was still standing there. Watching him. Then the other boy smiled faintly before walking the opposite direction.

Sion frowned slightly.

“…Weird.”

The next day, Sion made the executive decision to lock the glasses away in his closet.

Far away from society. Far away from his sanity. He absolutely did not need more psychological damage.

“Today will be normal,” he told himself while walking through the school gates.

No glasses. No red lines. No emotional trauma. Peace.

Finally.

Then he overheard voices near the hallway.

Girls gossiping. Which normally Sion ignored.

But then he heard a familiar name.

“I’m telling you!” one girl whispered loudly. “I saw Jaehee leave the club yesterday with a girl!”

Sion slowed down immediately.

Another girl gasped.

“Jaehee? As in THE Kim Daeyoung? The nerd?”

“Yes!”

The first girl nodded aggressively.

“Honestly I thought it was someone else at first because he looked completely different.”

Sion frowned slightly.

Different?

“How?”

The girl sighed dreamily.

“He was hot.”

Sion blinked.

“…What?”

“He wasn’t wearing glasses,” she continued. “And his hair was pushed back and—god. Honestly? I’d let him hit me up too.”

Another girl looked shocked.

“Woah. Never thought the nerd would be like that.”

“I KNOW.”

Sion stood frozen.

His brain slowly processing the information.

Club.

Different appearance.

Hot.

Taking a girl with him.

And suddenly

The red lines made terrifying sense again.

Wait wait wait.

Hold on.

Kim Daeyoung actually had a secret nightlife?

Sion stared ahead blankly.

Because now

Now he was curious. Very curious.

Because if the quiet class president secretly transformed into some hot club-going player after school…

Then what the hell did Kim Daeyoung really look like?

- the next night -

Sion was making a horrible decision.

A genuinely terrible, life-ruining, dignity-destroying decision.

And the worst part?

He knew it.

“This is not because of Kim Daeyoung,” Sion muttered to himself for the fifteenth time while staring at his reflection.

Absolutely not.

It had nothing to do with the fact that the class nerd apparently transformed into a hot club regular at night.

Nothing to do with the rumors.

Nothing to do with the image stuck in Sion’s brain of Daeyoung pushing his hair back while drinking.

Nope.

Sion was simply stressed.

That was all.

Basketball practice had been intense lately. Exams were approaching. His social battery was dying. So obviously the only logical solution was to go clubbing alone on a Friday night.

Totally normal.

“Yeah,” Sion nodded at himself in the mirror. “This is self-care.”

The crop top he was wearing exposed just enough of his waist to make him look sinful.

Again—not for Daeyoung.

Definitely not.

Sion tugged the fabric down anyway.

Then immediately rolled it back up.

“…Fuck.”

He looked good.

Very good.

Black cargo pants hung low on his hips while silver accessories decorated his fingers and ears. His dark hair was styled messily, soft strands falling over sharp eyes. Combined with his naturally athletic body and annoyingly handsome face, Sion honestly looked like the exact type of person rich people would ruin their lives over in clubs.

Which was probably why his phone had already exploded with messages the second he posted a mirror selfie.

y4ushi: why do you look like a slut

m_riku: HYUNG YOU LOOK SO PRETTY 😝

O.sion: thank you riku unlike your evil boyfriend

y4ushi: where are you going dressed like that

Sion stared at the message for a second.

Then typed

O.sion: nowhere

y4ushi: liar

O.sion: shut up

He immediately put his phone away before Yushi could interrogate him further.

Because if he admitted he was going clubbing because he was curious about Kim Daeyoung

He would never hear the end of it.

The club was loud.

Too loud.

Bass vibrated through the floor while flashing lights painted the crowded room in reds and blues. The smell of alcohol, perfume, sweat, and smoke blended together suffocatingly.

Sion shoved his hands into his pockets awkwardly as he entered. He suddenly remembered something important.

“I don’t actually go clubbing.”

Sure, he’d attended parties before. Basketball team celebrations. Birthday events. VIP gatherings because rich people loved inviting him places. But actual clubs?

Not really.

Still, his appearance alone got him attention immediately. People stared. Some whispered. One girl outright walked into a pole while looking at him.

Sion ignored it all and headed toward the bar.

Again—not because he was looking for Daeyoung.

He just needed a drink.

That was all.

Totally.

Half an hour passed.

Then another.

Sion drank slowly while pretending not to scan the crowd every few minutes.

No Daeyoung.

Maybe the rumors were fake. Maybe he came on different days. Maybe Sion really had gone out alone looking like a desperate loser for nothing.

“This is humiliating,” he muttered.

A bartender approached him with a grin.

“You’ve rejected three people in twenty minutes.”

Sion blinked. “What?”

The bartender pointed subtly behind him.

Sion turned.

Three different people immediately looked away.

“…Oh.”

“You waiting for someone?”

“No.”

The answer came too quickly. The bartender smirked knowingly. Sion wanted to evaporate.

“I’m serious.”

“Mhm.”

Sion glared. The bartender laughed before walking away. Sion sighed dramatically and leaned against the counter.

Okay.

Enough.

He was leaving.

This was stupid.

He should go home before he embarrassed himself further—

Then the entrance doors opened.

And suddenly the atmosphere changed.

Sion noticed it instantly.

People turned.

Heads lifted.

Kim Daeyoung had walked in.

Sion’s entire brain blue-screened.

“…Holy shit.”

The girls had not been exaggerating.

Not even remotely.

This was not the Kim Daeyoung Sion knew from school.

No glasses. Hair pushed back perfectly, exposing his forehead. Sharp eyes. Dark expensive-looking clothes layered effortlessly over his body. Designer from head to toe. The silver watch on his wrist alone probably cost more than someone's monthly allowance.

And somehow

Somehow—

Daeyoung wore confidence like it belonged to him naturally. No awkward politeness. No shy smiles. No “class president” energy. He looked relaxed.

Dangerously relaxed. Like he owned the room without trying. And the second he stepped further inside—

People flocked toward him.

Girls.

Guys.

A mixture of both.

Everyone greeted him comfortably like they already knew him. Daeyoung smiled easily while speaking to them, one hand tucked casually into his pocket. Sion stared in disbelief.

“What the fuck,” he whispered.

This man had a double life.

An actual secret identity.

Clark Kent in reverse.

Daeyoung eventually reached the bar and sat down smoothly. The bartender immediately smiled.

“The usual?” Daeyoung nodded once.

Sion’s eyes widened slightly.

Regular.

He was definitely a regular.

A small glass of soju was placed in front of him.

And then

Daeyoung downed it in one shot.

Sion nearly choked on air.

“HELL?”

Even Sion couldn’t drink strong alcohol that casually. Meanwhile Daeyoung barely reacted. He simply set the empty glass down and smiled lazily at the bartender.

“How many hidden talents do you have?!” Sion internally screamed.

And somehow it only got worse.

Because now that Sion was really observing him- Daeyoung flirted shamelessly.

Not aggressively. Not sleazy. But naturally. Effortlessly.

A guy leaned close to say something and Daeyoung smiled in a way that made the poor man blush instantly.

A girl touched his arm while laughing and Daeyoung tilted his head slightly, saying something that made her cover her face.

This was insanity.

Actual insanity.

The class nerd was out here farming numbers like a final boss. And before Sion fully realized what he was doing—

His legs were already moving.

Toward Daeyoung.

“Oh my god I’m actually doing this,” he thought in horror.

But it was too late now.

Daeyoung looked up as Sion approached.

For a brief second

Very brief—

Surprise flashed across his face.

Then he smiled.

And somehow it looked even prettier without the glasses.

“Didn’t know you came here,” Sion said casually, pretending he hadn’t spent the last hour waiting specifically for him.

Daeyoung tilted his head slightly.

“Oh, Sion.”

His voice sounded different here too.

Lower somehow.

Relaxed.

“Yeah,” he continued smoothly. “I come here once in a while.”

What a fucking liar.

Sion almost laughed.

“Do you come here often?” Daeyoung asked.

Sion shook his head.

“First time at this club. Wanted to let off some steam.”

Daeyoung nodded in acknowledgment.

“I see.”

Then silence.

Awkward silence.

Sion suddenly became hyperaware of everything. The loud music. The heat. Daeyoung’s eyes on him. The fact that his crop top was exposing skin. The fact that he specifically chose this outfit because—

Nope.

Not finishing that thought.

Then Daeyoung broke the silence.

“By the way,” he said casually, “you look good tonight.”

Sion’s heart immediately malfunctioned.

“Hm?”

He acted like he hadn’t heard. As if his entire body wasn’t suddenly overheating. As if his stomach hadn’t flipped violently. Daeyoung leaned closer slightly.

Close enough for Sion to smell his cologne.

Something warm and expensive.

“I said you look really good,” Daeyoung repeated softly. “Didn’t think I’d ever see you wearing a crop top.”

His eyes flickered downward briefly.

Toward Sion’s exposed waist.

Sion suddenly forgot how breathing worked.

“Oh.”

Brilliant response. Amazing.

Basketball captain everybody.

He wanted to punch himself.

“I could say the same,” Sion managed eventually, gesturing vaguely toward him. “Never thought I’d see you like this.”

Daeyoung chuckled quietly.

Low.

Pretty.

“I guess we’re even.”

Sion hated the way that made his chest feel weird.

Fifteen minutes later, Sion was suffering.

Actually suffering.

Because Kim Daeyoung kept staring at him. Not subtly either.

Shamelessly.

Every time Sion glanced over, Daeyoung was already looking.

At his face.

His lips.

His waist.

And Sion genuinely did not know how to handle it. He’d been flirted with before. Constantly.

But this felt different somehow. More dangerous. More intentional.

Sion’s skin felt hot. His brain kept short-circuiting.

And eventually he panicked.

“I’m gonna dance,” he blurted suddenly before standing up.

Smooth.

Very smooth.

Daeyoung simply smiled slightly.

“Have fun.”

Sion practically fled to the dance floor.

The music pounded loudly around him as flashing lights illuminated moving bodies. Thankfully, because Sion was ridiculously attractive, it took approximately twelve seconds before someone approached him.

A pretty girl smiled brightly.

“Wanna dance?”

Normally Sion might’ve refused.

But right now?

He desperately needed distraction.

“Sure.”

The girl immediately moved closer as they danced.

She was pretty.

Confident.

Flirty.

Sion tried focusing on her instead of the fact that he could physically feel Daeyoung watching from the bar.

“You’re really handsome,” she said over the music.

"thanks, you're pretty too"

She laughed softly and moved closer.

“You come here often?”

“Nope.”

“Then I’m lucky tonight.”

Sion smiled politely.

But before the conversation could continue—

A hand suddenly grabbed his waist.

Warm fingers touching bare skin.

Sion startled as someone smoothly turned him around.

“Sorry pretty,” came Daeyoung’s calm voice. “Can I borrow him for a while?”

The girl blinked rapidly.

Then looked between them.

And immediately nodded shyly.

“O-Oh. Sure.”

Sion stared blankly.

Because now Daeyoung’s hand remained firmly on his waist.

Skin against skin.

And due to the sudden pull, Sion had instinctively grabbed Daeyoung’s shirt for balance. Their bodies were close.

Very close.

Daeyoung was slightly taller, forcing Sion to tilt his head up to meet his eyes. The club lights reflected beautifully against Daeyoung’s face.

“What was that?” Sion breathed.

Daeyoung shrugged casually.

“Wanted to dance with you.”

Then he started moving. And naturally, Sion followed. Daeyoung’s hand slid lower. Just beneath Sion’s waist. Sion’s breath caught.

“Oh.”

That was all he could manage. His brain had stopped functioning ten minutes ago. The music pulsed around them while their bodies moved together slowly. Too slowly.

Too intimately.

Sion became painfully aware of every point of contact.

Daeyoung’s hand.

His chest.

His breath.

Then Daeyoung leaned down.

Close to Sion’s neck.

“Hm,” he murmured softly. “You smell good, Sion.”

Sion’s breath hitched violently.

Daeyoung buried his face against his neck.

Actually inhaled.

And Sion thought he might die.

“T-Thanks,” he stammered weakly.

This was insane.

Completely insane.

Their bodies remained pressed together while they danced. And then suddenly—

Warm lips touched Sion’s neck.

Sion gasped sharply. The sound embarrassingly close to a moan. His fingers tightened instinctively against Daeyoung’s shirt. Daeyoung sucked gently at the sensitive spot beneath his jaw.

And horrifyingly—

Sion tilted his head back willingly.

Giving him more access.

“Fuck,” Sion breathed shakily. Daeyoung’s hand tightened slightly against his waist. And then Sion felt it.

Hardness pressing against him through clothing.

His eyes widened slightly.

oh.

oh.

That was real.

Very real.

“S-Shit,” Sion whispered, eyes fluttering shut briefly. “J-Jaehee… not here— ah— not here.”

Daeyoung immediately pulled back slightly. He looked completely composed despite everything. Meanwhile Sion felt seconds away from exploding. “Do you want to continue?” Daeyoung asked calmly.

Sion stared at him. Then nodded immediately. Zero hesitation. Daeyoung smiled faintly. “Okay.”

He brushed his thumb lightly against Sion’s waist. “Let’s go to my apartment.” Sion nodded again like an idiot. Thoughts no longer existed.

Only Daeyoung.

Daeyoung led him out of the club carefully, hand still resting possessively against his lower back.

The cold night air hit Sion instantly.

His neck still tingled.

His body still burned.

And honestly?

He had absolutely no idea what the hell he was getting himself into.