On the surface, it's a healthy men's beauty salon. A man who visits on a weekday is recommended a double massage by a therapist, who says, "We're not busy at this time..." The man gets excited and erects as he is treated by two people at the same time, with the upper and lower body and both nipples being treated. Seeing this, the therapists, frustrated by their sexual frustration, gradually start to perform erotic massages. The pleasure of a double massage doesn't end with a single ejaculation, leading the customer to an exquisite experience.