Yui, who lives in harmony with her gentle husband, had only one complaint: her husband never entered her from behind during their nightly activities. One day, Takeo, a senior from Yui's college days, moves in next door to the apartment where Yui lives. Happy to meet Takeo again, Yui takes him some home-cooked meals, but Takeo, seeing Yui in her vulnerable state, becomes aroused and attacks her from behind. With the intense thrusting from behind that her husband never gave her, Yui climaxes over and over again, gradually losing her resistance...
