Yoshihiro Akiyama
Yoshihiro Akiyama (秋山 成勲), known as Choo Sung-hoon (추성훈) in Korea, is a South Korean-Japanese mixed martial artist and judoka.
Yoshihiro Akiyama (秋山 成勲), known as Choo Sung-hoon (추성훈) in Korea, is a South Korean-Japanese mixed martial artist and judoka.
