The mother's body, constantly being developed by her sons. A body that feels pain and seeks pleasure. She's rammed hard with her son's dick! Excited by witnessing Maika, a friend's mother, masturbating, and raping Maika as if slamming her with desire... Knowing that the friend's mother is a health enthusiast, he threatens his mother and trains her while avoiding his friend's eyes... When he goes inside, Junshi can't stand it and attacks when he sees Kiyono, the friend's mother, masturbating... Junichi, left alone with his friend's mother, Kyoko, becomes horny and cums when he sees Kyoko's sexy figure...