Ishijima took part of a 74-man tag team match at New Years Eve Pro-Wrestling, an event promoted by the Japanese independent scene on December 31, 2011 where he teamed up with notable partners such as Abdullah Kobayashi, Harashima, Natsuki Taiyo, Shuji Ishikawa and Daisuke Sekimoto to defeat the likes of Atsushi Kotoge, Kaori Yoneyama, Kazuhiro Tamura, Taka Michinoku, Mio Shirai, Yuji Okabayashi and many others.

1 on December 4, 2004 at the Shin-Kiba 1st Ring arena, during which he teamed with Ryan Upin is a losing effort to Daisuke and Mineo Fujita.

The show also portraited the retirement match of Mr. Gannosuke who teamed up with Michio Kageyama in a losing effort to Tatsumi Fujinami and Hiro Saito.

[11][12] Ishijima left Heat-Up on February 3, 2019 to form an independent group called Real Guts Army (Japanese: 真GUTS軍) alongside Masked Mystery.

On June 13, 2021, at TTT Big Match 2021, Ishijima and Speed Of Sounds (Banana Senga and Tsutomu Oosugi) won the GWC 6-Man Tag Team Championship (a trios title originally defended in Guts World before it temporarily moved to DDT Pro-Wrestling's sub-brand Ganbare☆Pro-Wrestling in 2018) to bring the title back to TTT.