Ayumi's husband had been on a business trip abroad for half a year, so she moved in to live with her daughter and son-in-law. The loneliness and desire for sex made her masturbate every day while thinking about her husband. Her son-in-law is a photographer and he used to be a fan of hers when she was a racing car model. Seeing him using her belongings to masturbate, it seems that the relationship between the two couples is not good either. She immediately thought of wanting to satisfy her sexual desires with him. So she began to seduce him by replacing her daughter to meet his sexual needs...!