Miyuki was a happy little girl playing with her friend Shijo. One day, it was a celebration and they were both in a rush but Miyuki couldnt catch up and Shijo left her. She was alone in the forest of lost souls.
Years later, a Girl named Mitsuki finds an old book in her bag and its a peice of another book. Having the book puts everyone around her in danger. When a girl named Sena went missing after entering the forest of lost souls, a whole new story starts...