Sushi, Oyaji revealed his true identity by unmasking and announced he would be working under his real name, Yohei Nakajima, from now on. Nakajima also joined Xceed with Go Shiozaki, Kento Miyahara and Kotaro Suzuki. On September 12, 2014, All Japan announced that Nakajima had signed a contract to become officially affiliated with the promotion. In October, Nakajima teamed with Suzuki to take part in the 2014 Junior Tag Battle of Glory, finishing the tournament with no wins. On August 16, 2015, Nakajima defeated Billyken Kid to win the vacant Gaora TV Championship. In October, Nakajima and Suzuki once again participated in the Junior Tag Battle Of Glory. Although they started poorly with two losses, they managed to bounce back with a time limit draw against Isami Kodaka and Yuko Miyamoto, and a win over Manjimaru and Takeshi Minamino. On November 15, Nakajima and Suzuki lost to Kodaka and Miyamoto in a decision match for the vacant All Asia Tag Team Championship. On November 16, Xceed was disbanded, when Kotaro Suzuki also announced his departure from AJPW. On May 28, 2016, Nakajima took part in Toryumon Mexico's Dragonmanía XI event in Mexico City, where he was defeated by Jun Akiyama. After three successful title defenses, Nakajima lost the Gaora TV Championship to Kazuhiro Tamura on June 9, 2016. Nakajima regained the title six days later, before losing it to Takeshi Minamino on July 14. On August 11, Nakajima defeated Minamino in a rematch to win the Gaora TV Championship for the third time. After a nine-day reign, Nakajima lost the title to Billyken Kid. On September 19, Nakajima again regained the title from Billyken Kid. On November 27, Nakajima lost the title to Jiro Kuroshio. On February 15, 2017, after the Gaora TV Championship was vacated due to injury, AJPW president Jun Akiyama was going to award the title to the previous champion. Nakajima, however, refused as his main focus was the World Junior Heavyweight Championship and the upcoming Junior Battle of Glory Placed in the B block, Nakajima gained four points with wins over Hikaru Sato and Kazuhiro Tamura but missed out on the finals by one point. On June 16, Nakajima unsuccessfully challenged Sato for the World Junior Heavyweight Championship. On November 5, Nakajima would once again unsuccessfully challenge the World Junior Heavyweight Champion, this time losing to Tajiri. On May 13, 2018, Menso～re Oyaji made a one