After losing her husband, Emie raised her son Mitsuo all by herself. But now that Mitsuo is finally becoming an adult, Emie feels both joy and a hint of anxiety. While she has done her best as a mother, she realizes that for the past few years, she has forgotten that she is a woman… Since realizing this, Emie has felt an intense physical thirst and has started to comfort herself daily. However, the sight of Emie engrossed in self-pleasure in the dimly lit room unexpectedly drives her dutiful son Mitsuo to take action.
