Nanako plays a cross-dressing mistress who accompanies a man on a three-day, two-night business trip. While dressed in the attire of a beautiful woman, she hides a hot, throbbing cock beneath her skirt. In a secluded hotel room, she is embraced as a woman, and indulges in a moment of immorality, indulging in pleasure both anally and penile. It is a sight to behold, as her handsome features transform into the expression of a lustful female as she is thrusted violently. Her devotion as a mistress and her male instincts intersect in an endless creampie. Over the course of two nights and three days, a secret affair that cannot be told to anyone and memories of rich bodily fluids are engraved.