At Koji Doi & Kumagoro Produce New Year Fighting Festival, an event promoted by Wrestle-1 on January 25, 2017, Nagai teamed up with his "Magatsuki" tag partner Yuki Sato to defeat Seigo Tachibana and Shotaro Ashino.

He made his first appearance at AJPW Chiba Extra Dream on March 16, 2014, where he teamed up with Kaji Tomato to defeat Menso-re Oyaji and Sushi.

One of them is the World's Strongest Tag Determination League, making his first appearance at the 2014 edition where he teamed up with Kengo Mashimo and scored a total of four points after going against the teams of Kento Miyahara and Go Shiozaki, Jun Akiyama and Takao Omori, Akebono and Yutaka Yoshie, Joe Doering and Suwama, The Bodyguard and Zeus, Atsushi Aoki and Hikaru Sato, and Kenso and Mitsuya Nagai.

[12] At FREEDOMS/2AW VersuS, an event produced in partnership with Pro Wrestling Freedoms on February 21, 2021, Nagai teamed up with his "Toll Glänz" tag partner Ayato Yoshida to defeat Jun Kasai and Kenji Fukimoto.

[14] His last match in this kind of events occurred on January 16, 2022, at BJW/2AW Big Advance where he teamed up with Kotaro Yoshino to defeat Hideyoshi Kamitani and Kazuki Hashimoto.