Japan celebrate scoring their second try through Ayumu Goromaru in the 2015 Rugby World Cup match against South Africa. Photo / PhotosportJapan celebrate scoring their second try through Ayumu Goromaru in the 2015 Rugby World Cup match against South Africa. Photo / Photosport

Karne Hesketh scores the game-winning try for Japan against South Africa at the 2015 Rugby World Cup. Photo / PhotosportKarne Hesketh scores the game-winning try for Japan against South Africa at the 2015 Rugby World Cup. Photo / Photosport

Kosei Ono, raised in Christchurch, made 34 appearances for the Japanese national rugby side. Photo / Photosport Kosei Ono, raised in Christchurch, made 34 appearances for the Japanese national rugby side. Photo / Photosport