Stiles cried out, his hips pushing up into Derek's hands when the other completely engulfed his cock. Stiles had to think of some very twisted nasty thoughts to keep himself from coming but he was on the edge. "Oh fuck, Derek," Stiles said not caring he was slipping up. "Yes. Your mouth. Oh my god your mouth." Without thinking because there was no blood in his brain Stiles let go of the head board and grabbed onto Derek's thick hair, pushing the werewolf. "Yes. yes. Yes."