Aya Tsuki no, a shy member of the archery club, is repeatedly tormented by the school's janitor. Plagued by constant anxiety, she succumbs to his escalating pressure. Dragged away forcefully between practices, she's taken to a room adjacent to the club, separated only by a thin wall, and brutally forced into sex. Her mind gradually breaks down, until finally she is completely dominated by two janitors, becoming their personal sex toy.