``Mom, I was thinking about Kouji-san and having sex by myself.'' After losing her husband, a beautiful woman, Shomie, is left with a voluptuous body, and spends her days hiding in front of the bar with her daughter, comforting her daughter Arisa by groping her crotch. Their relationship with Kouji Itamae develops into a physical one, but Arisa understands that his love is for his mother.