Jade frowns again, both at Shinjirou's visible signs of nervousness and...everything, really.

He's not the only one displeased; the man slaps Shinjirou's bared ass, just enough to sting. "Focus on me," he chides, the head of his cock pressed against Shinjirou's hole. "I'll need you to tell me what feels good."

He already knows how Shinjirou reacts to pain. Now he needs to see the opposite.