Hisae, worried that her son Tooru can't find a girlfriend, consults her mommy friend Sayuri. When Sayuri asks Tooru about his relationships with women on Hisae's behalf, things take an unexpected turn... Tooru confesses that he loves Sayuri. Sayuri is unable to resist Tooru's intense caresses and they end up having sex. Then, Hisae and Sayuri's son Akira appears...