celestrisee - Tumblr blog

celestrisee · 1 month ago

Text

“Falling Out”

Pairing: Seungmin (top) x Jeongin (bottom)

Rating: Explicit (18+)

Warnings: Rough but consensual smut, dirty talk, backstage setting, possessiveness, slight power play, praise kink, breath play, aftercare

Word Count: ~2.5k

Genre: Smut, PWP (plot? what plot), backstage tension

Summary:

Backstage chaos is nothing new, but Seungmin’s patience is running thin—especially when his mic won’t stay in place. Frustrated and on edge, the last thing he needs is Jeongin lounging against a rack, scrolling on his iPhone 15 like he’s not the most distracting thing in the room. One look, and something snaps. Lust, tension, and months of unspoken want explode into one messy, breathless, and very public-risky moment backstage.

(And hey—his mic finally stops falling out.)

The backstage room reeked of stress, hairspray, and static-laced tension.

Someone’s headset buzzed in the background, Hyunjin was retouching his eyeliner, and Chan was pacing near the monitor. Chaos was, as always, the usual.

But Seungmin couldn’t focus on any of it—not with the small, infuriating mic in his ear constantly slipping. Again. And again.

“Seriously?” he muttered, gripping it tighter, pressing it against his ear so hard he could’ve fused it into his skull.

No one noticed his spiraling frustration.

Except Jeongin.

Or rather, Jeongin didn’t notice.

He was leaned up against a metal rack, face lit by the glow of his iPhone 15, scrolling with one hand in his hoodie pocket, lip caught lazily between his teeth as he scrolled. He was chewing gum, too, like they weren’t about to go perform in five minutes. Like his world was fine.

Seungmin’s eye twitched.

Jeongin didn’t even notice when Seungmin started walking over.

It was like a snap in his brain. The mic didn’t matter anymore. What did matter was the way Jeongin looked—soft cheeks, collarbone barely hidden by his loose stage tee, legs stretched out, innocent, untouched—

And completely unaware of the mess he was making of Seungmin’s head.

“You’re really just gonna scroll like that?” Seungmin said sharply, stopping right in front of him.

Jeongin glanced up slowly, raising a brow. “Hm? What’s your—”

“Put the phone down.”

Jeongin blinked, chewing gum like it was the most offensive thing he could do.

“Or what?” he asked, lips curling, amused.

Wrong move.

Seungmin grabbed the phone and tossed it onto the makeup counter behind him with a clack.

“Hey—!”

But Jeongin’s protest was cut off by the feel of Seungmin’s hand gripping his chin.

“You really don’t get it, do you?” Seungmin growled. “The way you sit there. Acting so fucking innocent.”

Jeongin swallowed. He definitely wasn’t smiling now.

“Min…”

Seungmin’s lips crashed into his, firm and demanding. He tasted the faint mint of Jeongin’s gum and the heat of something much darker. Jeongin moaned into it, surprised, his back bumping into the cold metal behind him.

“Someone could come in,” he whispered as their mouths broke apart for air.

“I don’t care.”

Seungmin shoved Jeongin’s hoodie halfway up his chest, baring pale skin and making the younger squirm.

“You drive me insane,” Seungmin hissed against his neck. “I can’t even fix my mic without wanting to bend you over a table.”

Jeongin’s knees buckled. Seungmin caught him.

“Min—someone’ll hear—”

“Then keep your voice down.”

Their bodies pressed flush, Jeongin’s breath hitching as Seungmin reached down to palm him through his pants. Slowly. Deliberately.

“You’re hard already?” Seungmin whispered, amused. “From a few words?”

Jeongin’s face burned red, but he nodded.

Seungmin turned him around roughly, pressing Jeongin’s chest against the tall rack of stage jackets and coats. The metal was cold. Jeongin shivered.

“You’re mine,” Seungmin whispered into his ear. “I don’t care who’s on the other side of this wall. They should know.”

“Please,” Jeongin whispered, barely audible.

Seungmin pulled both their pants down just enough.

He spit into his hand, slicked himself, then pressed in.

Jeongin stifled a scream into the crook of his arm as Seungmin sank in—slow but steady, stretching him until he was full.

Seungmin didn’t move for a second.

Then—gripping Jeongin’s hips tight—he began to thrust. Hard. Controlled.

The metal rack rattled softly with each sharp movement.

Jeongin tried to be quiet, but every thrust knocked air out of him. His breath came in short, broken gasps.

“I said,” Seungmin growled, grabbing a handful of Jeongin’s hair and tugging his head back, “quiet.”

Jeongin nodded frantically, tears brimming at the corners of his eyes from the sheer overstimulation.

Seungmin leaned over him, hand splaying across his chest, breath hot in Jeongin’s ear.

“You feel so good,” he groaned. “So fucking tight.”

The rhythm got faster, more erratic. Jeongin bit his fist, body trembling.

“Come for me,” Seungmin growled, thrusting deep.

“Min—!” Jeongin gasped, losing it. He came hard against the coat rack, body spasming, vision flashing white.

Seungmin followed seconds later, buried deep, groaning Jeongin’s name into his neck as he emptied himself inside him.

They stayed like that for a moment—still, sticky, and sweating—before Seungmin slowly pulled out and caught Jeongin’s swaying body before he collapsed.

“Hey,” Seungmin whispered, brushing sweaty hair from Jeongin’s forehead. “You good?”

Jeongin nodded weakly. “That was…”

Seungmin chuckled, helping him pull his pants back up.

“Insane? Hot? You nearly blew our cover.”

“I was trying not to scream!” Jeongin hissed, cheeks still red.

Seungmin handed him a water bottle and leaned against the rack.

“We should go,” he said, straightening his mic again.

Jeongin blinked. “It’s not falling out anymore.”

Seungmin smirked. “Guess I just needed to blow off some steam.”

Jeongin groaned. “You’re the worst.”

“You love it.”

“…Yeah. I do.”

Author’s Note:

this fic is the direct result of a mic that wouldn’t stay in place and a maknae being too pretty while scrolling on his phone backstage. seungmin snapped.

first suengin smut on here, also my first ever fanfic I’ve posted ever (I’ll post more I promise).

also: shoutout to stage equipment for my ideas

hope you enjoy the tension, chaos, and soft-ish ending. feedback always welcome!

#straykids fanfic #straykids #kpop fanfic #kpop smut #seungin

5 notes · View notes