An organization formed in 1950 around Kodo HORIKAWA, one of the most prominent students of Sokaku TAKEDA, which is headquartered in Kitami, Hokkaido. After the death of Horikawa in 1980, Yusuke INOUE, a MENKYO KAIDEN Shihan, became the head of the group whose dojos are primarily located in Hokkaido. Kodokai, Miyama-cho 50-4, Kitami-shi, Hokkaido Japan (0157)24-6416.