Kagerota (Takuro Ohno) is a young ninja. He is part of the Kiryu family. As a child, Kagerota's father left him at the age of 10. He was a legendary red nose ninja.Kagerota travels to Edo for his first mission. He is to steal a gold fish from from a Daimyo Yashiki house. While leaving the house with the gold fish, Kagerota notices he is being followed by a fat cat. The cat has a red nose, just like his father.