The worldwide headquarters of Ryusei Karate-Do is in Kumamoto,
Japan. The founder and head instructor of Ryusei Karate-Do
Sakamoto. Click here for Ryusei Karate-Do Japan's official website, and here for Sakamoto-Sensei's personal site.
25-1-505 6tyome Tsuboi
Kumamoto City, Kumamoto Ken
Email: ryuseisakamoto [at] ksj.biglobe.ne.jp