Makoto was disturbed by the nasty voice of her mother, Miki, who could be heard from the bedroom. She was aware that her parents were planning to have a new child, but she didn't feel like supporting them. What wells up is not the joy of having a new family, but jealousy of my father who makes my mother make such a nasty voice. And it was a possessiveness that I didn't want to give my mother to anyone. Every time I listen to the voices of my parents at night, my distorted thoughts become stronger ... And at last