Asami Mizubata's son-in-law was penetrated by her unfaithful father-in-law before marriage.
Asami is an engaged woman whose only son is planning to get married this spring. Before getting married, a young man and woman were happily going to wedding halls in the city on weekends to discuss things like receptions and gifts. The father-in-law is always staring at the young and fresh female body of his son's ``son'' with a moist and insidious gaze. On the day her son left Asami to go to work, his father-in-law, despite his age, had an embarrassingly hard erection...!