Natsumi Horiguchi retires, obscene molester train wife

Natsumi, a teacher who believes in strict teaching policies, earns a lot of trust, but she also receives resentment from her unserious student, Takashima, and his friends. One day, Natsumi is molested on a train and is unable to resist due to fear and is humiliated. Moreover, the whole story was witnessed by Takashima. Takashima invites his friends and threatens Natsumi, doing his best to humiliate her and venting his frustrations. A few days later, Takashima and his friends, still unable to calm down, surround Natsumi on the train...