Ichika, a physical education teacher, gets caught in a torrential downpour while teaching outside. Ichika was drenched and her voluptuous body was visible through her clothes, and further misfortune awaited her. On the crowded train on her way home, Ichika becomes the target of a lewd molester and has her plump body played with. She can't ask anyone around her for help, and gradually no one is around her, and she ends up being raped by a molester. And her tragedy doesn't stop there, it's about to happen at the school where she works...