The focus of Namiryu Dojois is the transmission of the martial arts taught by the » The focus of Namiryu Dojois is the transmission of the martial arts taught by the Bujinkan Dojo in Japan. This includes the study of nine feudal-era samurai ryuha such as Togakure Ryu, Takagi Yoshin Ryu, Kukishin Ryu, Gyokko Ryu, Koto Ryu and more.