田口隆祐
On April 21, 2012, Low Ki returned to NJPW, aligning himself with the Chaos stable and teaming with Gedo, Jado and Rocky Romero in an eight-man tag team match, where they defeated Jushin Thunder Liger, Prince Devitt, Ryusuke Taguchi and Tiger Mask, with Ki pinning IWGP Junior Heavyweight Champion Devitt for the win. On May 3 at Wrestling Dontaku 2012, Low Ki defeated Devitt to win the IWGP Junior Heavyweight Championship for the second time. On May 27, Low Ki entered New Japan's 2012 Best of the Super Juniors tournament. When the round-robin stage of the tournament concluded on June 9, Low Ki finished with eight wins out of his eight matches, winning his block and advancing to the semifinals of the tournament. The following day, Low Ki defeated Prince Devitt in the semifinals, before losing to Ryusuke Taguchi in the finals of the tournament. On June 16 at Dominion 6.16, Low Ki defeated Taguchi in a rematch to retain the IWGP Junior Heavyweight Championship. On July 29, Low Ki lost the title to Kota Ibushi in his second defense. Low Ki regained the title from Ibushi on October 8 at King of Pro-Wrestling. On October 21, Low Ki and Brian Kendrick entered the 2012 Super Jr. Tag Tournament as "Chaos World Wrestling Warriors". However, the team was eliminated from the tournament in the first round by Apollo 55 (Prince Devitt and Ryusuke Taguchi). On November 11 at Power Struggle, Low Ki lost the IWGP Junior Heavyweight Championship to Prince Devitt in his first title defense.