Ryoko, a mother who feels the manliness of her son Kanji. Unable to suppress her rising sexual desire, she accidentally has sex with her son's friend, but Kanji, who witnesses their affair, confesses, "I really love you. Please don't do it with other men again." After learning of each other's feelings, the two are united in body and Kokoro, but Kanji takes action to ensure that no other man will ever come near her again... Beautiful mature woman Ryoko Kurotani's first fisting! Don't miss the sight of her fist sinking into her pussy, which has been stretched to the limit!