is a Korean-Japanese professional

rugby union Rugby union football, commonly known simply as rugby union in English-speaking countries and rugby 15/XV in non-English-speaking world, Anglophone Europe, or often just rugby, is a Contact sport#Terminology, close-contact team sport that orig ...

player who plays as a

prop A prop, formally known as a (theatrical) property, is an object actors use on stage or screen during a performance or screen production. In practical terms, a prop is considered to be anything movable or portable on a stage or a set, distinct ...

for

Japan Rugby League One Japan Rugby League One (), formerly known as the Top League (), is a rugby union competition in Japan. It is the highest level of professional rugby competition in the country. The Japan Rugby Football Union created the competition in 2003, b ...

club Kobelco Kobe Steelers. Born in South Korea, he represents

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

at international level after qualifying on residency grounds. He also changed nationality to Japan after the 2019 World Cup

International career

After only two Super Rugby appearances for the Sunwolves, which included one start, Koo received his first call-up to his adopted country, Japan's senior squad ahead of the

2017 end-of-year rugby union internationals The 2017 end-of-year rugby union internationals, also known as the November internationals, or autumn internationals in the Northern Hemisphere, were international rugby union matches in 2017. The Rugby Championship, Rugby Championship winners New ...

References

External links

* 1994 births Living people Mie Honda Heat players Japan international rugby union players Rugby union props South Korean rugby union players Sunwolves players Kobelco Kobe Steelers players 2019 Rugby World Cup players 2023 Rugby World Cup players Sportspeople from Seoul South Korean expatriate rugby union players in Japan Naturalized citizens of Japan Naturalised rugby union players {{SouthKorea-rugbyunion-bio-stub