MIMK-266 Mom's breasts can be rubbed until you feel great! ~If you accumulate enough, you'll ejaculate~ Real-life version by Yoshine Yuri Ai

Captivating many fans with its incestuous erotic fanfiction, the work by the circle Natsume Genpei has been adapted into a live-action story catering to those with large breasts! The story revolves around Yoshine Yuri, who possesses breasts comparable to her mother's, and her struggles between maternal love and her love for her son. A son, driven by lust for his mother's breasts, is possessed and commits groping acts… Upon learning this, the mother, to prevent her son from committing further sins, decides to let him release his pent-up desires by fondling her K-cup breasts… However, instead of calming down, the son's lust intensifies… masturbation, breast play, and even unprotected penetration!? Although she believes it's absolutely wrong as a mother, she can't refuse because of her son… experiencing a sexual encounter she can't even tell her husband about!