A man secretly filmed the inner workings of a men's esthetic salon in Tokyo using fixed and ceiling cameras, in collusion with the salon's manager. Despite the supposed "no touching, no ejaculation" rule, the therapist's massage becomes increasingly explicit. The treatment pushes the boundaries, causing the client's penis to become so erect it threatens to burst through his paper underwear... The hands touch his shaft while massaging him, brushing against his testicles...