Due to her long black hair and dark aura, Kuronuma Sawako's classmates avoided her and called her Sadako. However, after entering high school, she met Kazehaya Shouta. Kazehaya possesses a bright personality and is popular with everyone. Sawako gained the courage to change her life from Kazehaya and has experienced much since that time. During all this, Sawako's feelings towards Kazehaya grew ever deeper, and now she must come to grips with them.