Masaki Onishi Movies

A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.

Chiku is a devastated and dangerous town with 5 gangs fighting fiercely. Mugen and the Amamiya Brothers clashed, leading to Mugen disbanding.