a widow named mio nozaki who is raising her son to be a sports athlete through rigorous education. she eliminates his sexual desires with weekly handjobs to avoid distractions from studying. but one day, her son finds an erotic book and learns about 'sex'. his desires turn towards his mother! he enters her bedroom, inserts his cock into her despite her refusal, and creampies her with his well-trained body and vigorous thrusting. mio, now addicted to her son's cock, offers her dripping wet pussy to him daily. the intense incestuous relationship between the muscular son and his voluptuous mother! #class president p