Task: Explanation
Input (English): Fighter in the Wind (Korean: 바람의 파이터 ) is a 2004 South Korean film. It is based on the Japanese book "Karate Baka Ichidai" which is a fictionalized account of karate competitor Choi Yeung-Eui (최영의, 崔永宜) who went to Japan after World War II to become a fighter pilot but found a very different path instead. He changed his name to Masutatsu Oyama (大山倍達) and went across the country, defeating martial artists one after another. This film concentrates on the period when he is still young, and developing his famous karate style, Kyokushin. The film was the seventh highest grossing Korean film of 2004 with 2,346,446 admissions sold nationwide. Question: Yang Yun-ho has directed the 2004 South Korean film based on which Japanese book? Answer: Karate Baka Ichidai
Output (English):  It is based on the Japanese book Karate Baka Ichidai which is a fictionalized account of karate competitor Choi YeungEui 최영의, 崔永宜 who went to Japan after World War II to become a fighter pilot but found a very different path instead.