三冠ヘビー級王座
On January 3, 2015, Shiozaki defeated Joe Doering to win the Triple Crown Heavyweight Championship for the first time. Earlier in the event, Miyahara and Suzuki lost the All Asia Tag Team Championship to Dark Kingdom representatives Mitsuya Nagai and Takeshi Minamino. On March 27, Kotaro Suzuki defeated Atsushi Aoki to win the World Junior Heavyweight Championship. On May 6, Shiozaki and Miyahara defeated Akebono and Yutaka Yoshie to win the World Tag Team Championship. On May 21, Shiozaki lost the Triple Crown Heavyweight Championship to Akebono in his third defense. On August 16, Nakajima defeated Billyken Kid to win the vacant Gaora TV Championship. On September 28, Shiozaki announced his resignation from AJPW, which led to him and Miyahara vacating the World Tag Team Championship. He wrestled his final AJPW match on October 4. On November 16, Xceed was disbanded, when Kotaro Suzuki also announced his departure from AJPW.