Hyoo Hino's birth was rocky. That, in itself, induced mental disorders to his mother, Kanae. Raised by his aunt right until reaching 17 years of age, he curses the day he came to this world and entertains suicidal thoughts. However, a girl, named Hibiki Uchida, became the beacon of his miserable life. She herself suffered from a tumultuous relationship with her ex-boyfriend, Kazuya, and even considered ending her life...