One year after losing her mother, young girl Rihou comes to live with her uncle. Physically frail and introverted, she struggles to fit in at school, yet clings to the dream of becoming a teacher—inspired by her beloved homeroom instructor. But her uncle deliberately crushes her hopes, sealing off her future. Bound by shibari rope, subjected to orgasm suspension with legs tied overhead, toy training, candle wax torture, and creampie after creampie—her innocent body is systematically destroyed