The father's remarriage partner, Kaori, is only slightly older than his son Takashi and his siblings. Moreover, she has an outstanding figure, especially her large, erotic ass, which was stimulating for Takashi, who had never seen a woman before. Whether Kaori was doing housework or even sleeping, whenever there was an opportunity, Takashi would stare at her erotic ass. He even fantasized about rubbing oil on her ass and using his dick to fuck it. And then, he could no longer bear it with just fantasies…
