Stiles gasps and moans when their positions are reversed, immediately arching up against Derek and spreading his legs to allow the man to fit between them, thighs pressing againt his hips to keep him there, though he knows Derek can easily get away if he wants to. He knows he doesn't.

His hands flex in the hold but he doesn't even try to break free - if anything it only turns him on even more. The teen moans and whimpers into the kiss, hips rolling upward in a slow grind.