There is a sexy girl Masashi often meets recently. Yes, she is his target girl. One day, he gets on a train and stays behind her. He soon starts groping her body. She feels humiliated, but can't resist it. She finally reaches orgasm.... On that night, when he is drinking at a bar, he meets his co-worker and he introduces his wife to Masashi. He is surprised to see her because she is the girl he molested on the train....