[2] At the 2012 Dragon Gate Summer Adventure Tag League of Dragongate, Masaoka made an appearance during the twelfth night of the competition from August 22, 2010, where he competed in a Survival battle royal won by Genki Horiguchi and also involving various other notable opponents such as BxB Hulk, Cima, Shingo Takagi, Kzy, Yamato and others.
[7] Masaoka made his debut in Big Japan Pro Wrestling at BJW Death Match Wars on March 3, 2009, where he teamed up with Yuya Susumu and Atsushi Kotoge in a losing effort against Kudo, Mineo Fujita and Masa Takanashi.
[8] He roughly spent one year with the promotion, having wrestled his last match before taking a hiatus at BJW 15th Anniversary Death Touron April 28, 2010, where he teamed up with Onryo and Shiori Asahi to defeat Kazuki Hashimoto, Men's Teioh and Takumi Tsukamoto.
At FREEDOMS/2AW VersuS, an event produced alongside Active Advance Pro Wrestling on October 23, 2022, he teamed up with Soul Meat (Tomoya Hirata and Toru Sugiura) to defeat The Rule (Ayato Yoshida, Naka Shuma and Takuma Joshiba).
[15] He wrestled his last match at GCW Planet Death 2023 on July 19, where he teamed up with Yankee Two Kenju (Isami Kodaka and Yuko Miyamoto) in a losing effort against Chrli Evans, Rina Yamashita and Sawyer Wreck.