[1] He currently plays for the Sunwolves in Super Rugby and the Panasonic Wild Knights in Japan's domestic Top League.

[2][3] Nunomaki has played all of his senior club rugby in Japan with the Panasonic Wild Knights who he joined in 2015.

He was a Top League winner in his debut season with the Wild Knights, making 8 appearances and scoring 1 try.

[4] Nunomaki received his first call-up to Japan's senior squad ahead of the 2016 end-of-year rugby union internationals.

He debuted in the number 7 jersey in Japan's 28-22 victory over Georgia in Tbilisi on 12 November 2016.