This book is about intriguing secrets that pretty much let the cat out the bag. A grandmothers disappearance leaves her granddaughter, Chiruka, wondering if the stories she was told as a child were real. A cat named Leretta comes out of nowhere and heaves warning, along with protecting the source itself. Leretta is no ordinary cat and protects Chiruka and her little brother, Kenta, as they are encountered by unexpected, powerful, magical guests, especially the rare demon KurrYasha.