Konatsu has been dating Yuto for six months. Their relationship remains innocent, but one day, on the way home from school, she is approached by a middle-aged man named Goro and forced into his room. For Konatsu, who prefers cleanliness, a room filled with garbage and the smell of sweat is hell itself. Despite her resistance, Goro rapes her, and she is tormented by guilt towards Yuto. She manages to escape, but later Goro threatens her and calls her back. As she reluctantly submits to his orders, she experiences an unknown pleasure...