Momo has just been accepted into her dream university. Although the school is a bit far, riding the train while dancing to her favorite music is a wonderful time. Suddenly, Momo feels the perverted fingers of a sexual harasser groping her intimate parts! This is the first time she has encountered such a situation, leaving her mind blank and unable to think. The harasser then says a confusing statement, 'long time no see.' While Momo is pondering the meaning of that statement, the harasser disappears. Despite the incident yesterday, Momo still decides to take the same train at the same time. Just recalling the harassment incident makes Momo feel disgusted. The first time Momo sees the face of the harasser, it turns out to be her former teacher who had sexually harassed her and got fired. This time, she is even forced and ejaculated on in public by the teacher! From then on, almost every day, Momo goes to let the teacher have his way with her. Feeling completely subdued, he starts inviting more sexual harassers to come and enjoy her body...