Yuka is asked by a friend to do a part-time job as a delivery man. Although she is a little tired of the crowds on the commuter train, she boards the train with high hopes for her new job. But unfortunately, a molester plays with her body, which is full of openings... As the molester repeatedly attacks her, her frustrated body gradually begins to accept his persistent caresses. As this happens every day, Yuka continues to commute to work, secretly enjoying the pleasure of being groped by a molester on a crowded train. One day, a woman approaches her...