Chapter Text
It had been a random thought while they were still waking up as he watched Senku stretch, yawning.
Though the outcome of the thought was predictable.
"not ticklish huh?"
"not one bit"
Senku tried and failed to avoid Gen poking his finger into his ribs, immediately curling into himself, he glared before launching himself at the mentalist.
Predictable outcome.
Senku would agree.
Despite being busy gasping for breath in laughter as he retaliated Gen couldn't help but think about how this tangle of limbs they were in would have been impossible only a few years ago.
Maybe it was all the the distracting thoughts or maybe he was simply more ticklish but he ended up laying on his back, Senku straddling his waist, pinning his hands down next to him by the wrists, grinning down at him.
Well for a given value of pinning, the scientist had always had noodle arms and always would.
And yet.
The effect was different from the the one Senku already had on him, there was something about hands around his wrists that was-
His throat felt dry.
that was
certainly-
Gen slammed the deception down like shutters. For all his skills preventing a blush had never been one he'd needed to master however so he'd better hurry.
"You're heavy~" he complained.
"ah, sorry" Senkus weight lifted as his partner dropped down beside him instead.
Crisis averted.
Except for how he now had time to think about what just happened, silly behaviors over for now, Senku probably about to get up in a few moments.
It wasn't that he wasn't used to physical contact with his partner in crime. He got plenty of it and while it was always going to affect him to be touched by this man it was also very much an every day occurrence.
And it hadn't really been their position, it might be considered sexy by some but that wasn't really for him and he wasn't turned on either.
Instead it had been the feeling of being "held down" even though there had been nothing actually capable of holding him there. There was something about the vulnerability that made his whole body feel tingly.
...Senkus grin hadn't hurt either.
Speaking of, his moment count was apparently up, his partner shifting to leave.
Which was no problem.
He had infinite time to think about this and mention it later.
Senku would think he was being extremely irrational if he could hear his thoughts right now.
"Senku-chan?"
Annd he wasn't going to take infinite time.
There was no need.
"Hmm?" Head tilt, joking suspicion of Gen restarting their fight.
"Experiment."
It was like pressing a button that removed the last remnants of sleep from Senkus face.
"Are you telling me the parameters or is this a blind study?"
Uh. That was embarassing.
"Something just appened-hay?" he tried. "I'd like to replicate it"
"So I wasn't too heavy then" Sometimes Senku put things together just a little too fast. "Yeah okay" Oh.
He sat up to swing one of his legs over Gens waist. It was very calming actually how incredibly casual he was being.
That sort of attitude was easy to mirror.
"Was it this? Because that's fine"
"Ah no its -" Gen tried to put his hands in the exact spots they'd been in before so it would match Senkus no doubt crystal clear memory.
No further explanation was needed as he watched the other replicate their previous position, face nothing but focused.
His thin fingers wrapped around Gens wrists and Gen didn't need to see his reflection to know what his own face was doing right now. If nothing else Senku could definitely see his pupils expand. Could definitely hear Gen breathing more flatly trying to get his breaths to not sound shaky, it wasn't even working.
Senku in contrast just seemed puzzled but amused. Not uncomfortable at all.
He let go again and Gen immediately missed the contact.
It definitely made it easier to think though.
"I mean that's fine too I guess?" Senku reported
Wait really?
"Eriously-say?, this isn't an oblem-pray? Romance and kissing is bad but k-kink" he choked on the word "isn't?" He hadn't meant for it to sound accusatory but luckily Senku either got that or hadn't even heard the wrong tone.
Senku was having an interesting face journey that eventually ended up about where it had begun.
"Huh does this count?"
"I think so?"
"Weird." It sounded so incredibly matter of fact. "I see why you'd think it would bother me then."
But it apparently didn't. That was certainly something.
"What's the effect for you?"
Gen was going to melt.
"It feels ulnerable-vay" he explained "Like being trapped but good. Kind of tingly."
"Ah okay" that was a bit much of a lack of reaction by now "doesn't bother me even one bit then" Oh.
Senkus tone turned teasing "Watching your face is really fun like this too"
This again. Gen had never quite found out what he meant by that.
"Oh? So Senku-chan is having fun?"
"Sure it's" he paused then pulled a face "all the words sound cringe. It's just fun. I'm definitely good with doing that again."
That was probably the best he was going to get on that particular topic. And there were more relevant parts to what Senku had said anyways, since well. Call him greedy but...
"I mean since you're already here..." fake-innocent smile.
Senku snickered. "Sure thing mentalist."
Hands closed around his wrists again and honestly the inability to keep control of his face was nice too. Just having all his tells out in the open the way everyone else did.
No way to hide his breath coming faster or the flush on his cheeks.
It was just Senku looking at him after all.
Looking at him in affectionate fascination right now.
Crimson eyes narrowed. "Mind if I try something?"
Unexpected, whatever avor-flay this fun was Senku was having he was certainly having it.
How could Gen possibly want to say no to that. "By all means dear"
The pad of Senkus thumb pressed down over the pulse point on the inside of his wrist before releasing.
He looked very much self satisfied at the gasp he caused, grinning, eyebrows raised in question. "Hm?"
Gen was going to die but at least he'd die happy. "S' good."
He got a hum as Senku alternated putting pressure around his wrists between his fingers.
He felt his body twitch involuntarily. This was. Very good indeed. Leaving himself open like that was a relief and Senku deriving joy from studying him so thoroughly was. Deeply flustering.
He closed his eyes and simply let himself enjoy the sensations until they felt to be a bit much before cracking them back open.
"Enough now?"
He was let go immediately "Sure. Was that fun then?"
It definitely had been, he felt somewhat overly stimulated but also very much relaxed.
"Very fun, seems like you were entertained too" he grinned up at Senku who ...actually seemed to be blushing a little bit.
His grin was still returned regardlessly.
He tugged at the others shirt to pull him down. "Cmere?"
Senku simply let his whole body go limp, dropping his whole weight on top of Gen for a hug. "Very entertained."
Gen carded his fingers through his hair. "Thank you."
" 'Course."