Legacy of the Kokyryukai is a eye opening look at how one Secret Society influenced Japan and the world. Of how the Samurai Spirit was passed from old warriors to a young man who became the head of the dragon. This book traces the kokuryukai's roots in the Saga Rebellion and the Koyosha and Genyosha, to the Hai Lung River Provence of China (also known as the Amur River to Western Sources) and founding of the Kokuryukai under Uchida Ryohei. We also trace the Genyosha and later Kokuryukai's roots to a far older Shinto Prophecy of Hakko Ichiu from the Ashuka Period. Discussing the Omoto Family's famed connection to the Kokuryukai and how this "Urban Legend" has shaped the Omoto Ryu Black Dragon Dojo and found the American Kokuryukai.