Yamamoto came to stay at his friend's house. There, she is fascinated by the beauty of her friend's mother, Reiko. That night, Yamamoto finds out that Reiko is going to take a bath, and her excitement is uncontrollable. And when he went to look into the bath, thinking that he might be able to see Reiko's beautiful nude body on a whim, there was Reiko indulging in masturbation. Yamamoto, who took the whole story with his mobile phone, attacks Reiko with the photo as a shield.
