Yuri has been in a foul mood all day, and when he's like this, Flynn knows he's in for a world of hurt.
It's not intentional. Yuri doesn't mean to hurt him so badly, doesn't mean to break the skin when his nails run down Flynn's side. But he's never been a big fan of gentle sex, always preferring to use his teeth more than his lips, and when he's none too happy, he's even less inclined to treat Flynn delicately.
Yuri's teeth are on his neck before Flynn even has a chance to take off his shirt. A low, guttural growl from the other man makes Flynn shiver, and as expected, Yuri's nails are like claws raking down his sides and across the small of his back. His nails catch on each old scar, not caused by Yuri but by battles, and the scratch leave red marks, clearly visible crisscrossing the scars when Flynn's shirt is roughly pulled off.
Yuri in such a dominate mood really is a turn on. His eyes are dark as his bangs fall over them, and his motions are fluid and determined. The pain isn't really painful; it's more of a rush of adrenaline as Yuri's teeth sting his skin.
Still, Flynn can't keep the tears from his eyes and the gasp from his tongue when Yuri enters him with such little preparation, and the tug at the beginning makes him think at first that it won't even go in. But it does, and Yuri licks his lips with such a wolfish grin and cold eyes that Flynn can only cover his eyes with his arm to keep the damned tears from falling down his cheeks. The pain subsides after awhile, but Yuri's thrusts are as quick as they normally are and harder than usual.
Yuri's hand on his cock is almost a frightening thing at a time like this, but Flynn's trust in the other man is rewarded as he only moves his hand in solid motions in time with the movement of his hips.
And Flynn does come, but even that is mixed with pain as Yuri's hips drive against him and bruise him. Yuri isn't about to pull out just yet even as Flynn tries to relax around him. His fingers close like vices on Flynn's arms and leave fingerprints of dark bruises as they release, and his nails draw blood as they claw down his arms when he comes with a final thrust.
Flynn can see it written on his face when Yuri's anger is gone, and he knows Yuri feels instantly bad for taking his frustrations out on Flynn. Any injuries he sustains during sex are always treated immediately, even though they're really never that bad. A small bandage would be enough to cover them, but Yuri insists on taking care of Flynn in some unnecessary form of aftercare.
Truthfully, it's worth the rough sex for Yuri to treat him like this afterwards.