She is different from others. She is destined to not have a complete self in this life, and she cannot tell whether she is she or not... During the day, she smiles like a pure daisy and lives an innocent university life. However, as the twelve o'clock clock rings, a voice in her body will summon her. There is no emotion in her eyes, full of cold air. She is the messenger, dressed neatly, and starts a killing. The smell of blood spreads throughout the night...