Reiko Sawamura, the PTA president of Jikyuu High School, discovers that her son has been extorted and robbed by members of the student council. When she attempts to punish them, they retaliate by exposing her affair and blackmailing her into submission, forcing her into sexual servitude. Reiko's body gradually falls under the control of their cruel gang rape as they relentlessly exploit her for their own pleasure. Her status and pride crumble completely as she is utterly dominated. This dramatic narrative captures the intense transformation of Reiko's mind and body as she succumbs to total subjugation.