Having an affair with the mother-in-law Asahi Mizuno: Asahi Mizuno lives alone raising her child, and now her daughter has grown up and has her own family. One day, they went to Asahi Mizuno's house to visit and stayed overnight; somehow, Asahi Mizuno and her son-in-law had intimate relations right at that moment. Especially as they made love right next to their daughter, whether everything after that was discovered or how things unfolded.
