He discusses the realism of ninjutsu training and skills in "Revenge of the Ninja" (1983) and "Ninja Assassin" (2009). Kawakami is the last heir of the Ban clan of Kōka-Ryū Ninjutsu. He is also ...

The museum has opened the “Ninja Academy” to the public, offering an opportunity to learn feudal-era espionage techniques through ... their body mechanics and "ninjutsu" (ninja arts), in ...