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?

Sawako decides to take the entrance exam for a university in Sapporo, while Kazehaya has chosen to attend a college near home. The couple realize there aren't that many high school days left--will they move into the future together or apart?