Hiroshi and Yuka have known each other for a while, and they often come to his house to play. Eri was Yuka's mother, and she raised Yuka alone. Unmarried, Eri has been dating for a long time. When she saw her happy daughter with her lover, she felt jealous. Ever since he was a student, Hiroshi has been working on time, helping him to have a robust body. The impressive thorns with her body, so she made a lot ... It was seductive of her daughter's boyfriend! Hiroshi also secretly admired Eri's body, so when she was teased, he quickly admitted and started a bad relationship ...