With her jet-black hair, sinister smile and silent demeanor, Sawako "Sadako" Kuronuma always had trouble fitting in. But her whole life changes when she befriends the most popular boy in class, Shota Kazehaya. Can love trump her cursed life?

Kazehaya says he'll support Sawako no matter where she chooses to go to university, but he can't come to an agreement with his father about his own future. When Kazehaya's mother faces a medical issue, it's Sawako's turn to be supportive. Finally the day comes for Sawako to make her fateful decision...