In a world of fantasy which was divided into 5 zones based on their special ability: Ninja, Samurai, Witch, Fairy, and Kingdom zone, a young boy was born with an incredible yet dangerous power that can easily wipe out the entire human race. This book tells you a story about him seeking out for revenge to the guy who killed his father, The Samurai.

A young aspiring detective was assigned to eradicate crime in a metropolitan city. After years of work, he finaly made it. But, there are three murder case that no one has been able to solve. Each cases were comitted by three different person and three different MO.