Ninjas seem to have been the tradition and characteristic of Japan since ancient times, but in fact, the origin of Japanese Ninja comes from a pilferage, and it is a part of pilferage that is divided into no parts.

A part of the pilferage is divided into five families, which are famous for their hegemony. They take the Ninja as the core and develop comprehensively. By now, their respective strength has been strong enough to make people laugh.

Professor Gustav seized them from Yamamoto, one of the five Ninja families. I also have contacts with Ninjas and get some information about Ninjas.

At that time, the overall strength of He...