First in a winning effort against Takanori Ito, and secondly, in a battle royal won by Manabu Soya and featuring various other members of the roster such as Cima, El Lindaman, Hiroshi Yamato, Jiro Kuroshio, Ryota Hama, Yasufumi Nakanoue and many others.
He won his first title, the 2AW Tag Team Championship, at 2AW Grand Slam In Korakuen Hall on September 11, 2022 alongside stablemate Tatsuya Hanami by defeating The Rule (Ayato Yoshida and Excilio).
He made his first appearance in the 2022 edition of the tournament in which he placed himself in the A block of the competition wheer he scored a total of 10 points after going against Tatsuhito Takaiwa, Takumi Baba, Andy Wu and Yasu Kubota, failing to qualify for the finals.
[11] Niki competed in one of the promotion's singature events, the Ryūkon Cup in which he made his first appearance in the 2022 edition of the tournament where he defeated Masayuki Kono in the first rounds, Mizuki Watase in the second ones, then fell short to Keita Yano in the semifinals.
[13] Niki participated at the 2024 edition of New Japan Pro Wrestling's Sakura Genesis from April 6, where he teamed up with Ayato Yoshida and Chicharito Shoki in a losing effort against Chaos (Tomohiro Ishii and Toru Yano) and Oleg Boltin.