Sakura, a mother who dotes on her son, one day learns that her son Yuichi has a girlfriend and feels an emotion she has never experienced before. It is an emotion a mother should not feel towards her son... Eventually, Sakura thinks about guiding her virgin son and decides to teach him about women using her own body. This becomes the trigger for them to become inseparable, starting a taboo love story of parent and child repeatedly engaging in intercourse with ejaculation inside…!
