[Machine Translation] Yoshiaki Hatsumi is a master of the martial arts, having studied under the last ninja, Takamatsu Jyutsugu, and inherited nine styles of kobudo. This is the 21st installment of the "Kuchiden" series, which captures his teachings at the Bujinkan Dojo. The 21st installment in the "Dokuden" series, featuring the techniques that have been passed down from ancient times to his disciples in the form of oral traditions.