During the 1930s, the Japanese government was largely controlled by the military, and around 1935, the commanding general of the Imperial Japanese Army approached Konishi and asked him to develop self-defense techniques for women serving in the Japanese Government Railways. Seiryu at www.jkr.com At the time, Konishi, Ueshiba, Mabuni and Ohtsuka were training together almost every day, and Konishi asked Mabuni to work with him on delivering what the government had requested.
