Ichika, a physical education teacher, gets caught in a torrential downpour while teaching outside. Further misfortune awaits Ichika, whose voluptuous body is visible through her drenched clothes. On the crowded train on the way home, Ichika becomes the target of a lewd molester and has her plump body played with. Unable to ask for help from those around her, people gradually disappear, and she ends up being raped by a molester. And her tragedy doesn't stop there; it's about to happen at her workplace, a school...