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Senku wasn’t sure how much longer he could take this.
You had been—for lack of better words—complaining about your lack of a New Year’s kiss for weeks now.
It came up everywhere. Walking across campus. Waiting for the train while you scrolled through your phone. Sitting across from him in the library when you should’ve been studying, pouting with your head in your hands like this was the single worst thing that had ever happened to you. Hell, you’d even managed to bring it up once in the middle of a completely unrelated conversation, and Senku still wasn’t sure how you’d pulled that off.
Every time, he’d roll his eyes and tell you that you were being ridiculous.
At this point, it’d be harder to think of a time when you weren’t talking about your lack of a partner.
So much so that you were still doing it now—holed up in one of the empty rooms off the main floor, away from the blasting music, all the sweaty bodies and whatever weird sticky substance was spilt on the floor.
You were the one who had dragged him here in the first place. Said it’d be good for him to get out. He didn’t really remember what you’d said to persuade him—only that you’d been standing in front of the mirror earlier that night, doing your makeup, smiling far too brightly for someone supposedly suffering such a tragic fate.
You’d been smiling when you said it, standing in front of the mirror earlier that night as you did your makeup, far too cheerful for someone supposedly suffering such a tragic fate.
“Maybe I can find a guy to kiss too!” you’d said, cheerfully.
“I’m not going out just to watch you hook up with someone,” he’d replied.
And yet, here he was.
You really did have a habit of getting him to do stupid, irrational things.
Now the two of you were sitting on the floor, backs against the wall, shoulders brushing.
It was dark, but the glow from your phone lit your face just enough for Senku to catch the faint frown tugging at your lips. You scrolled lazily, thumb flicking upward every few seconds, pausing just long enough on each post to take it in before moving on. He didn’t need to see the screen to know what it was. friends’ posts, all with the one thing you’d been wanting.
God.
He wanted to wipe that look right off your face.
Five minutes till midnight.
“I can’t believe I’ve gone this whole year,” you groaned, letting your head drop against his shoulder. The contact was easy, familiar. You threw an arm over your eyes dramatically, like this was the worst tragedy imaginable. “And I still haven’t found someone to kiss.”
Senku huffed a quiet breath through his nose. “You’re acting like it’s a life-or-death situation.”
“It is,” you said immediately. “At least socially.”
He didn’t answer right away. He really shouldn’t have taken that drink from Ryusui—whatever was in it was making his head feel fuzzy, his limbs all loose, and his face warm, derailing his thoughts in a way he didn’t like. Or maybe it was just the fact that you were leaning on him, your weight settled comfortably at his side, like you’ve done hundreds of times before.
“You’ll survive,” he said finally.
You peeked at him from beneath your arm. “Easy for you to say.”
That made him pause.
You dropped your arm and sat up a little. “I mean, everyone else has someone by now. Or at least a plan.” You waved your phone vaguely. “I don’t even have that.”
Two minutes left.
You glanced toward the door, where the music thumped dully through the walls. “Do you think if I head back out there, I could rope someone into it?”
The words hit harder than they should have.
Senku turned to look at you. Really look at you. The way your brows pinched together just slightly, the way your mouth twisted like you were already bracing yourself for disappointment.
“Why do you want a kiss so badly?” he asked.
You stilled.
For a second, you looked like you hadn’t expected the question. Like you’d never actually thought about it beyond the surface level. Then you laughed, a little too quickly.
“Oh. Uh, well—’cause…” You turned your head away from him, gaze fixing on the far wall. “It’s just what you’re supposed to do, right?”
Senku didn’t answer.
Thirty seconds.
The room felt smaller, warmer. He could hear the muffled countdown starting somewhere outside, voices overlapping and shouting numbers out of order.
You shifted again, restless. “It’s stupid,” you added quietly. “You don’t have to say anything.”
But he wanted to.
He wanted to say a lot of things.
Five seconds.
“…and I mean, it’s not like I’m bitter about it or anything, it’s just kind of—”
Four.
Senku’s jaw clenched, brows drawing together as his thoughts raced faster than he could organize them.
Three.
Was he really about to do this? Every rational part of his brain screamed no—don’t be reckless, don’t ruin something that was already good. He weighed it instinctively, like he did everything else: the risk of losing a friendship he’d had for years against the possibility of wanting something more.
Two.
He was a scientist, after all—and he’d always believed that some outcomes were worth a calculated risk.
He turned toward you.
One.
Senku grabbed your face.
His hand came up fast, fingers curling into your jaw, thumb pressing just enough to make you gasp—and finally cut yourself off. Before you could process it, before he could stop himself, his mouth was on yours.
The kiss was uncoordinated and desperate in a way that felt almost violent compared to everything else about him. You froze for half a second, stunned by the intensity of it, by the sheer impossibility of it. By the fact that it was him—Senku Ishigami, of all people—kissing you like he’d been waiting for this moment his whole life.
Then you melted.
A quiet sound slipped from you as you tilted your head, instinctively deepening the kiss. Senku followed immediately, like he’d been waiting for permission he never realized he needed. His hand slid to the back of your head, fingers tangling in your hair as your own hands found their way up to his shirt, gripping like you were afraid he might disappear.
When he finally broke it, both of your breaths were uneven, chests rising and falling, eyes lidded.
“Happy New Year,” he huffed out, voice rough.
Still dazed, you swallowed. Your heart was pounding so loud you were half-sure he could hear it. You didn’t dare look at him as you spoke.
“…Did you only do that,” you asked quietly, voice a little unsteady, “to get me to shut up?”
“No,” Senku said immediately.
His voice was lower than usual, stripped of its edge. Honest in a way that made your chest ache. You felt him shift next to you, legs tangling with yours.
“You know I’m not the type of guy,” he continued, “to do something that reckless just to make someone feel better.”
You finally looked at him.
His face was scrunched up as he glanced off to the side, flustered. Even in the dark, you could see the faint flush on the tips of his ears. He’d probably blame it on the drinks—but it looked… cute.
“I’ve wanted to do that for a while,” he admitted. “You just never seemed to notice.”
Your breath hitched.
“Oh.”
He watched your reaction carefully, like he was bracing himself for an inevitable rejection.
Before you could overthink it—before either of you could retreat into the safety of familiarity—you leaned in again.
“Then I guess you wouldn’t mind if I do this,” you muttered.
Both your hands slid up to cup his cheeks. His eyes flickered as they locked onto yours. Your gaze drifted down to his lips, then back up, but you didn’t hesitate before closing the small gap between you. This time, the kiss was slower.
You twisted your body to fully face him, letting your knees shift slightly so you could lean over him. With a gentle push, you pressed him back until his shoulders and back met the floor. His hands moved instinctively to grip your hips, steadying you as the kiss deepened.
The once sweet kiss turned heated fast. It was urgent and raw, as though the restraint from before had never existed. You gasped softly as his tongue slipped in, teasing yours, and you tilted your head, matching his rhythm, mirroring the intensity he was giving you.
You pulled back just slightly, enough to catch your breath, and your forehead rested against his.
“Sen…” you murmured, breathless.
“Mhm?” he answered, lips still brushing yours.
“Should we… be doing this here?” You lifted yourself slightly, glancing toward the door—the only thing separating the two of you and the party outside.
Senku followed your gaze, using his arms to push himself up just enough so you could straddle his lap. His hands gripped your hips, pulling you closer against him. A smirk tugged at the corner of his lips as he looked at you. “I don’t see why not?”
That cheeky bastard.
You barely had time to react before he leaned up, capturing your lips again. This time, there was a low, almost involuntary moan pressed into the kiss, vibrating through you, and your hands found their way into his hair, tangling there as he tilted his head to deepen it.
You pulled back just enough to catch your breath, gazing at him. His cheeks were flushed now, and a mischievous glint danced in his eyes.
“You’re so needy,” you whispered, voice shaking.
“Well, forgive me for being a little impatient,” he countered, voice low and rough. “I’ve been waiting for this for years.”
And just like that, he dove back in, hungrier, lips pressing against yours with renewed urgency.
You gasped into the kiss, hands gripping him tighter as your bodies pressed together. There was no pause, no space between you—just heat, laughter muffled into moans, and the undeniable pull of long-suppressed desire.
Guess you weren’t leaving anytime soon.