[5] His biggest accomplishment to date is the Open the Twin Gate Championship which he has won alongside Jason Lee at Kobe World 2022 - Último Dragón Debut 35th Anniversary on July 30, 2022 by defeating Z-Brats (Shun Skywalker and Diamante).

[6] Kamei is known for competing in various of the promotion's signature events, such as the King of Gate tournament, making his first appearance at the 2022 edition where he defeated Yosuke Santa Maria in the first rounds but fell short to Shuji Kondo in the second.

He also competed in a battle royal for a second chance in the tournament, won by Kota Minoura and also involving various other opponents such as Dragon Kid, Susumu Mochizuki, Yamato, Keisuke Okuda, Kaito Ishida, Eita, Minorita, Madoka Kikuta and others.

At the 2021 edition of the Gate of Destiny, he teamed up with stablemates Kzy, U-T and Genki Horiguchi in a losing effort against Naruki Doi, Takashi Yoshida, Don Fujii and Gamma.

[9] At the 2022 event, Kamei temed up with Kzy and Jason Lee to defeat Naruki Doi, Último Dragón, Don Fujii and Shuji Kondo.