[5] In January 2012, Inaba successfully passed a public audition for All Japan Pro Wrestling (AJPW) and began training full-time in their dojo.

Wrestling mainly in losing efforts against Bobby Sharp and wearing facepaint during his matches, he continued to work for the promotion during their summer tour until June 22.

Inaba briefly returned to Mexico on August 18 to work a tag team match for International Wrestling Revolution Group (IWRG) under the name America VIP.

[11] On March 2, 2014, at Kaisen: Outbreak, Inaba teamed with Andy Wu and Hiroshi Yamato in a losing effort against Kazushi Miyamoto and Tokyo Gurentai (Mazada and Nosawa Rongai).

[13] On July 29, 2016, Inaba along with Andy Wu and Seiki Yoshioka defeated Kaz Hayashi, Minoru Tanaka and Tajiri to win the UWA World Trios Championships.

[6] On October 2, after again defending the UWA World Trios Championship with Andy & Yoshioka, this time against Koji Doi, Kumagoro & Yusuke Kodama, all six men formed an alliance, it would later be named Newera.

[6] On February 22, 2017, Inaba again won the UWA World Trios Championship, this time with Kohei Fujimura (who had recently joined Newera) & Yusuke Kodama.

The three would hold the belt for 46 days, defending successfully once before losing them to Trigger representatives (Masayuki Kono & Shuji Kondo) & Kaz Hayashi.