Intrigued by the buzz on the internet, Rin decides to check out this popular spa. Despite being wary of the shady old man who runs it, she's tempted by the free first-time offer and figures she can just leave if things get too out of hand. Rin ends up being thoroughly pampered with expert techniques, even receiving a clitoral massage with a cock. Though she returns home feeling terrible, her body can't seem to forget the pleasure...