Azu, who belongs to the swimming club, is asked by her homeroom teacher and advisor to take on the role of manager of the baseball club. Azu is a diligent girl who works hard for the club, but the advisor and homeroom teacher's real goal is Azu's developed body! Azu is called to the club room, where she is given an unreasonable excuse and raped in the club room, and the whole incident is filmed on video. With her weakness exposed, Azu becomes the advisor's sex slave, and her developed body is devoured by her homeroom teacher and all the club members who ask for help.