Kyouka, a high school student in need of money, is caught charging her classmates for sexual favors by the Student Council President. Blackmailed into working at a high-end gentleman's club, Kyouka enters a competitive rivalry with the owner's daughter, Leona, to see who can satisfy the most clients. The two engage in an intense display of skill, resulting in a draw that sets the stage for an ongoing battle of pleasure.
When a sudden illness leaves a sexual service shop understaffed, the manager recruits a former pro named Karin to help a virgin client. Simultaneously, Kyouka competes with the seductive Ms. Shiraishi to claim her brother Leo's virginity, leading to a chaotic series of encounters that leave Leo completely overwhelmed by the women in his life.