IWGPジュニアタッグ王座
reDRagon returned to NJPW on May 3, 2015 at Wrestling Dontaku 2015, where they unsuccessfully challenged for the IWGP Junior Heavyweight Tag Team Championship in a three-way match with Roppongi Vice (Beretta and Rocky Romero) and The Young Bucks. Later that month, Fish entered the 2015 Best of the Super Juniors. He finished second in his block with a record of five wins and two losses, narrowly missing advancement to the finals of the tournament. Following the tournament, reDRagon received a rematch for the IWGP Junior Heavyweight Tag Team Championship in a three-way match, also involving Roppongi Vice, but were again defeated by The Young Bucks on July 5 at Dominion 7.5 in Osaka-jo Hall. On August 16, reDRagon defeated The Young Bucks to win the IWGP Junior Heavyweight Tag Team Championship for the second time. They lost the title back to The Young Bucks in a four-way match on January 4, 2016, at Wrestle Kingdom 10 in Tokyo Dome. On September 17 at Destruction in Tokyo, Fish received his first singles title shot in NJPW, when he unsuccessfully challenged Katsuyori Shibata for the NEVER Openweight Championship.