Reina, who belongs to the rhythmic gymnastics club, was asked by her homeroom teacher and advisor to serve as the soccer club manager. The earnest Reina works hard for the club, but the advisor and homeroom teacher's real goal is Reina's developed body. One day, Reina is called to the club room by the advisor, who makes unreasonable demands and rapes her, and the whole incident is filmed on video. With her weakness exposed, Reina's attractive body is devoured by her homeroom teacher and all the club members who then ask for help...