Gym teacher Ichika gets caught in a sudden downpour during an outdoor class. Soaked to the bone, her drenched clothes reveal her voluptuous body, and worse misfortune awaits her. On her way home, she becomes the target of a vile molester on a crowded train, her curvy body toyed with. Unable to call for help, she finds herself alone as the train empties, relentlessly assaulted by the pervert. But her tragedy doesn't end there, as it seems to be brewing even at her workplace, the school...