The only son is scheduled to get married this fall, and his fiancée is Miyu. The young couple, who are close before marriage, spend their weekends going to venues in the city, supposedly to discuss the reception and wedding favors. That 'son's fiancée' with her young, vibrant body is always stared at by the stepfather with a slimy, malevolent gaze. One day, after the son left Miyu behind to go to work, the stepfather shamefully got hard despite his age...!
