Kisa Fujibayashi finds herself in a secret world hidden from regular humans. She discovers and unfolds the truth about these half wolf creatures known as lucarei. She learns more and more of these creatures as and her friend Aaso, whos a lucarei himself, battle other lucarei bent on killing Kisa. Questions that go through Kisa's head as she's chased: why me? I'm not a lucarei. Is it something to do with my parents?WHY??? What will Kisa find as she visits throughout the big city of Yokohama, battling and binding with lucareis by the moon as she goes??