The only son is scheduled to get married this autumn, and his fiancée is a woman named Kana. Before the wedding, this young couple, deeply in love, would spend their weekends going to venues within the city for discussions about the reception and gifts, always seeming to enjoy themselves. The stepfather would always stare at the young and vibrant curves of his 'son's fiancée' with a moist, sinister gaze. One day, after the son left Kana behind to go to work, the stepfather, regardless of his age, shamefully became erect…
