Desc: Kenka karate kyokushin burai ken: Directed by Kazuhiko Yamaguchi. With Bin Amatsu, Shin'ichi Chiba, Jun Fujimaki, Tsutomu Harada. This movie is based on the true life story of a Korean fighter named Choi Bae-dal (who later changed his name to Masutatsu Oyama), the founder of Kyokushin Karate in Japan.