Reiko Kobayakawa, the PTA president with a history of being gang-raped by a local delinquent gang, carries deep emotional scars from the trauma. One day, she discovers corrupt activities by the student council officers and confronts them. However, the officers, recognizing disturbing similarities between their own pasts and hers, threaten to expose her darkest secret. Overwhelmed by her trauma, Reiko is subsequently subjugated as the student council's sex slave. As she endures inner torment, she is forced into a twisted new relationship, becoming their personal cumdump while struggling to survive emotionally.