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Yoshihiro Akiyama

Japanese judoka and mixed martial arts fighter Yoshihiro Akiyama (Japanese: 秋山 成勲; born July 29, 1975), also known as Choo Sung-hoon (Korean: 추성훈) and by his nickname Sexyama, is a Japanese mixed martial artist and judoka who won the gold medal at the 2001 Asian Championships for South Korea and for Japan at the 2002 Asian Games.

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