Haruki is a wife who lives a fulfilling life with her husband who works at a transportation company. However, one day, while her husband is away on a business trip, she is suddenly attacked by a stranger and raped without being able to do anything. The first thing that catches Haruki's eye is the sight of her husband tied up. In order to save her beloved husband, Haruki is at his mercy and is toyed with. The man tells her that "it's no fun just toying with him," and inserts his fingers one by one into Haruki's pussy, which is soaked with love juice... Haruki Sato finally tries fisting for the first time!