Getting there~? He started to quicken his movements, enjoying that harsh squeezing of his hips. It was starting to hurt, ever so slightly, bringing his own cock to life. It twitched, raising some, starting to tighten his pants. He leaned in, placing his hands atop the other's shoulders, humming softly in pleasure. "Mmn... harder~" He was vague, hoping his master would get the hint. He pressed his lips against his neck, copying him, biting gently in return. With his mouth so close to his ear, he let out a moan, grinning to himself, hoping for a reaction.