Ayane lost her husband in an accident and raised her daughter alone until she was married. Then, unable to bear the sight of her living alone, her daughter and her husband moved in next door... There, she finds out that her husband, Takuto, is sexless and indulges in masturbation every night. Ayane has been faithful since her husband died, but she can't control her reason when she sees his huge cock... She devours his cock whenever she has free time and becomes addicted to making him ejaculate. Meanwhile, Takuto's carnal stepmother's relentless caresses are tormenting his body and Kokoro...