Youko was adopted when she was really small, therefore she doesn't know her parents. But, for a long time, her curtain family was warm towards her and loved her. Suddenly, everything changed. Her mother, who loved her the most, started bullying and hating her. Youko begins to wonder why... ~~ Adapted from the novel “Freezing Point” (氷点) by Miura Ayako (三浦綾子).