The Hatano family is living a peaceful and happy life when suddenly a tragedy strikes. Death has taken the husband's life, leaving only the mother and son to rely on each other. Despite being in high school, the son is foolish and naive, with "sex" always on his mind. Even though he sees the neighbor trying to seduce his mother, and even attempting to assault her, he does nothing but watch and listen to the singing of a bulbul bird.PPPD-726 To help dad take care of mom... Furthermore, his thoughts and actions are dominated by sexual desires. After repeatedly spying on his mother masturbating, today he can no longer resist his own cravings. Despite her being his biological mother, he is determined to rape her in order to satisfy his curiosity and long-standing desires. Truly an ungrateful child.
