Wrestle-1 (2019–2020) Niki made his
professional wrestling debut in
Wrestle-1 at
Wrestle Soul, an event promoted on September 28, 2019, where he fell short to one of his coaches,
Shuji Kondo, in a
dark exhibition match. On April 1, 2020, at
W-1 WRESTLE-1 Tour 2020 Trans Magic, Wrestle-1, has held its last event before closure. Niki competed twice. 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 more.
Active Advance Pro Wrestling (2020–present) Niki made his debut in
Active Advance Pro Wrestling at
2AW Launching Business 1st Anniversary on July 5, 2020, where he defeated Chicharito Shoki in singles competition. Niki won the 2021 edition of the Advance Cup by overcoming Naka Shuma,
Genta Hiriki and Chicharito Shoki in the group stage and by defeating Shuma in the finals on May 5, 2021. During his tenure with the promotion, Niki joined the "Koen" stable in 2022. 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). Niki won the
2AW Openweight Championship at
2AW Grand Slam In TKP Garden City Chiba on October 29, 2023, by defeating
Kohei Sato. Niki competed in
Pro Wrestling Zero1's
Tenkaichi Junior tournament as a developmental talent sent by 2AW. He made his first appearance in the 2022 edition of the tournament in which he placed himself in the A block of the competition where 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.
Tenryu Project (2021–present) Niki has frequently competed in
Tenryu Project since 2021. During his tenure with the promotion, he has won the
Tenryu Project International Junior Heavyweight Tag Team Championship alongside
Oji Shiiba at
Wrestle And Romance Vol. 11 on March 26, 2023, by defeating
Kenichiro Arai and Rey Paloma. Niki competed in one of the promotion's signature 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 round,
Mizuki Watase in the second, and then fell short to
Keita Yano in the semifinals. At the 2024 edition, he fell to Yusuke Kodama in the second round.
New Japan Pro Wrestling (2024) Niki participated in 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. ==Championships and accomplishments==