[7] Yuto Shinohara was set to face Yuma Saikyo, with both fighters coming off a two fight losing skid.
[16] In the co-main event, the K-1 Super Lightweight champion Hideaki Yamazaki is scheduled to fight Fukashi Mizutani in a non-title bout.
[17] Former two-time Krush Welterweight title challenger Kaisei Kondo will face Maki Dwansonpong.
[18] K-1 and Krush Cruiserweight title challenger Hisaki Kato is scheduled to fight Mahmoud Sattari.
[19] [20] The main event bout between Takeru Segawa and Leona Pettas for the K-1 Super Featherweight Championship will serve as the headliner.
Yodkhunpon Sitmonchai, Dansiam AyothayaFightGym, Kamlaiphet Pran26 and Petchseenil Sor Puangthong will all be unable to compete due to travel restrictions caused by the COVID-19 pandemic.
[31] Junki Sasaki was scheduled to fight in a 56 kg catchweight bout against Rat EiwaSportsGym, the highest he has ever weighed in at.
[40] The co-main event saw the former K-1 Super Lightweight champion Rukiya Anpo was scheduled to fight Koki in a welterweight bout.
[50] Newly crowned Krush Women's flyweight champion Kotomi was scheduled to face Rikako Sakurai in a 53 kg catchweight bout.
[53] Ryusei Ashizawa was scheduled to face Hirotaka Urabe in the second super featherweight bout of the main card.
[54] A rematch between Yasuhiro Kido and Yutaro Yamauchi at super welterweight was announced for the event, eight years after their first meeting, which Kido won by unanimous decision.,[55] MMA veteran and Olympic Judo gold medalist Satoshi Ishii was scheduled to make his kickboxing debut against Ryo Aitaka in a super heavyweight bout.
[57] A one-night welterweight world Grand Prix was held during the event, featuring eight competitors: Rukiya Anpo, Alan Soares, Riki Matsuoka, Maki Dwansonpong, Kona Kato, Masaaki Noiri, Ruku Kojima and Ali Ayinta.
[58] On September 8, 2021, it was revealed that Kona Kato had to withdraw from his bout due to COVID-19 related reasons, and was replaced by FUMIYA.
A K-1 Featherweight Championship bout between the reigning champion Tatsuya Tsubakihara and title challenger Taito Gunji was announced as the main event.