Independent circuit (2012-2022) Nagai is known for competing in multiple promotions of the
Japanese independent scene. 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. At
TAKA & Taichi Produce TAKATaichi House In Yokohama, an independent event produced by
Taka Michinoku and
Taichi on December 22, 2018, Nagai competed in a
16-person battle royal won by
Saori Anou and also involving
Ayame Sasamura,
Natsumi Maki,
Rina Shingaki,
Tomoaki Honma,
Yoshinobu Kanemaru and others. At
BASARA 182 ~ Koo ~, an event promoted by
Pro-Wrestling Basara on January 25, 2022, he went into a time-limit draw against Isami Kodaka. Nagai often competed in joshi promotions as a guest. He wrestled in various matches for
Ice Ribbon, the last of them taking place at
New Ice Ribbon #1026 ~ RE:BORN on February 24, 2020, where he teamed up with
Hamuko Hoshi to unsuccessfully face
Hiragi Kurumi and
Minoru Tanaka, and
Orca Uto and
Risa Sera in a
three-way intergender tag team match. At
WAVE Sunday WAVE Vol. 38, an event promoted by
Pro Wrestling Wave on June 28, 2020, he faced
Hiragi Kurumi and
Sakura Hirota in two
three-way matches on the same night with Kurumi being the winner in the both bouts.
All Japan Pro Wrestling (2014-2019) Another promotion in which Nagai competed is
All Japan Pro Wrestling. 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. He is known for participating in various of the promotion's signature events. 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. He marked his last appearance at the 2016 edition of the event where he teamed up with Kenho Mashimo again, placing themselves in the Block A and scoring a total of six points after going against the teams of
Jake Lee and Kento Miyahara, Atsushi Aoki and Suwam,
Osamu Nishimura and Yutaka Yoshie, Rikiya Fudo and
Ryoji Sai, and
Black Tiger VII and Mitsuya Nagai.
Kaientai Dojo/Active Advance Pro Wrestling (2012-2022) The promotion for which Nagai is best known for competing in for a decade until his retirement was
Kaientai Dojo (became Active Advance Pro Wrestling in 2019). He made his professional wrestling debut at ''
Taka Michinoku's 20th Anniversary
on October 14, 2012, where he fell short to Ayumu Honda. 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.
Big Japan Pro Wrestling (2012-2022) Kaientai Dojo has held numerous events in partnership with
Big Japan Pro Wrestling, shows in which Nagai has also competed. At
BJW/ZERO1/2AW 3 Groups Joint Performance ~ Tokyo Delta, an event produced also in partnership with
Pro Wrestling Zero1 on August 11, 2020, Nagai teamed up with
Towa Iwasaki and
Takuya Nomura in a losing effort against Ayato Yoshida,
Daisuke Sekimoto and
Masato Tanaka as a result of a
six-man tag team match. 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. ==Personal life==