Hikaru Sato
On January 26, 2013, Aoki, Go Shiozaki, Jun Akiyama, Kotaro Suzuki and Yoshinobu Kanemaru, all of whom had quit Noah at the same time, announced that they had joined All Japan Pro Wrestling, forming the "Burning" stable. Aoki and Suzuki received their first shot at the All Asia Tag Team Championship on March 17, but were defeated by the defending champions, Koji Kanemoto and Minoru Tanaka. On April 7, Aoki and Suzuki defeated Hikaru Sato and Hiroshi Yamato to win the 2013 Junior Hyper Tag League and earn another shot at Kanemoto and Tanaka. On April 25, Aoki and Suzuki defeated Kanemoto and Tanaka in a rematch to become the new All Asia Tag Team Champions. On May 11, Aoki made a one night return to Noah to take part in Kenta Kobashi's retirement event, Final Burning in Budokan, during which he and Suzuki defeated Kentaro Shiga and Tamon Honda in a tag team match. On July 5, following a mass exodus led by Keiji Mutoh, it was announced that Aoki, along with the rest of Burning, had signed an exclusive contract with All Japan. On October 29, Aoki and Suzuki quit Burning in order for Suzuki to challenge Kanemaru for the World Junior Heavyweight Championship. On November 21, Aoki and Suzuki, along with Kento Miyahara, joined Go Shiozaki's new Xceed stable. On January 26, 2014, Aoki and Suzuki lost the All Asia Tag Team Championship to former Burning stablemates Jun Akiyama and Yoshinobu Kanemaru. On February 5, Aoki announced he was quitting Xceed to go solo. On May 29, Aoki defeated Último Dragón to become the new World Junior Heavyweight Champion. On July 27, Aoki joined the Evolution stable, after a successful title defense against one of its members, Hikaru Sato. In October, Aoki and Sato won the 2014 Jr. Tag Battle of Glory. On March 27, 2015, Aoki lost the World Junior Heavyweight Championship to Kotaro Suzuki. On October 23, Aoki and Hikaru Sato won their second Jr. Tag Battle of Glory in a row by winning the round-robin tournament with a record of three wins and one loss. On January 1, 2016, Aoki was appointed the president of talent relations. On February 21, 2016, Aoki defeated tag team partner Hikaru Sato in the finals to win the 2016 Jr. Battle of Glory and the vacant World Junior Heavyweight Championship. He went on to lose the title to Sato on June 19. On July 24, Aoki and Sato defeated Isami Kodaka and Yuko Miyamoto to win the All Asia Tag Team Championship. On November 17, Aoki and Sato won their third Jr. Tag Battle of Glory in a row by defeating Soma Takao and Yuma Aoyagi in a playoff match. On November 27, Aoki and Sato lost the All Asia Tag Team Championship to Atsushi Onita and Masanobu Fuchi. Aoki and Sato regained the title from Onita and Fuchi on June 20, 2017. They lost the title to Black Tiger VII and Taka Michinoku on August 27. In early 2018, still using his birth name, Aoki began working under a mask and regained the World Junior Heavyweight Championship from Tajiri on February 3 in Yokohama. Aoki held the title until August, when he dropped it to Koji Iwamoto. In April 2019, Aoki competed in the Champion Carnival once again as a last minute replacement for Kengo Mashimo. Aoki competed in A Block and managed to finish with 8 points, but was unable to advance to the final. Aoki regained the World Junior Heavyweight Championship for the fourth time on May 20, 2019, defeating Iwamoto. His last match took place on June 2, teaming with Hikaru Sato and Yusuke Okada in a loss to Jake Lee, Koji Iwamoto, and Nobe Bryant. At the time of his death, Aoki was scheduled to defend his title against Hikaru Sato on June 18. Despite his death, AJPW announced he would be recognized as champion until November 2019,allowing his 6 month defence clause to expire before crowning a new champion.