Synopsis
Rantaro is the son of a low class Ninja Family. In the hope that their son will become an elite Ninja, his parents send Rantaro to the Ninja Academy. Rantaro be friends with Shinbei and Kirimaru there. One day, an assassin attacks one of Rantaro’s schoolmates from the Ninja Academy and his family. His name is Takamaru, 4th Grader, and his family has a secret past as Fujitive Ninjas. It is now up to Rantaro and his friends to save their schoolmate!