It's Pandora with today's prompt 'roleplay' (and not in the way you might think). In this Yuri is nearly 18 and JJ is 21.
Deep down, JJ has always been a bit of a nerd. Despite his cool guy persona, for all his posturing and acting, behind it all, he can think of nothing more fun or relaxing than pen and paper RPGs. Whenever he gets to go home for an extended period, he arranges to see his friends and they spend an afternoon playing their ongoing Dungeons and Dragons campaign. When he first mentioned it to Yuri he got about the amount of teasing he'd expected, and said he could rearrange it for a time when Yuri wasn't visiting, but now he sits at his dining table surrounded by his friends and with Yuri beside him, having cobbled together a quick fighter character for Yuri to play.
"So you open the door," says Aluin, gamemaster as always, "and in front of you, resplendent in robes and bearing religious symbols, you see the sorcerer! Roll initiative!"
JJ doesn't think much of Yuri's hand on his knee at first. He takes it in his own and kisses the knuckles briefly, giving Yuri a quick but tender smile as he puts it back down again. When he's flicking through the rulebook to check the wording on his active invisibility spell, however, he feels Yuri's fingers run higher and tenses. He tries to quickly close his legs but Yuri's hand stops him, continuing its journey up until it rests firmly over JJ's traitorous and slowly hardening cock. JJ's hands on the book stiffen as Yuri starts gently stroking him under the table.
He's not eighteen yet, stop having those thoughts!
"JJ, what are you doing?"
JJ looks at Aluin with wide eyes, ready with excuses, but then catches the context. "Oh right, the sorcerer!" He glances at the book again and Yuri's palm presses the zip of his jeans down against his erection. "Can I... uhh... I'll... cast a fireball at him!"
He picks up his d20 and rolls it, trying to ignore the ache between his legs, but then his face falls.
"Ohh a natural one!" laughs Adrienne, the party's paladin.
"Looks like you've set yourself on fire!" says Aluin.
Yuri gives JJ's cock a hard squeeze and JJ groans, "Fuck!"
"Hey calm down," says Remy. "I can sort you out on my next turn."
"Yuri," says Aluin. "What would you like to do?"
Probably the person sitting in this chair.
Yuri picks up the d20 JJ has lent him with his free hand. "Attack him I guess."
He rolls the dice: natural twenty. To a chorus of whoops he rolls again and gets another twenty and confirms the crit.
"Holy shit!" laughs Aluin. "You run the sorcerer through and leave him dead on the floor!"
Yuri, hand still moving under the table, turns to JJ with an innocent smile. "Did I do good?"
This kill-stealing little punk.