';
| Fighter | Nickname | Height | Weight | Association | |
| Akio Tasaka | 0'0" (0 m) |
145 lbs (65.77 kg) |
Alliance-Square | ||
| Changrim An | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Alliance-Square | ||
| Daiki Nishimura | 5'3" (1.6 m) |
125 lbs (56.7 kg) |
Alliance-Square | ||
| Genki Tokita | 0'0" (0 m) |
135 lbs (61.23 kg) |
Alpha Gym / Alliance-Square | ||
| Hidemasa Soga | 5'6" (1.68 m) |
135 lbs (61.23 kg) |
Alliance-Square | ||
| Hirotaka Yokoi | 5'11" (1.8 m) |
220 lbs (99.79 kg) |
Alliance-Square | ||
| Hirotaka Miyakawa | 5'5" (1.65 m) |
135 lbs (61.23 kg) |
Alliance-Square / Team Yudetamago | ||
| Hiroyuki Ito | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Alliance-Square / Team Yudetamago | ||
| Ikkei Nagamura | 6'0" (1.83 m) |
185 lbs (83.91 kg) |
Alliance-Square | ||
| Isao Terada | 5'7" (1.7 m) |
145 lbs (65.77 kg) |
Alliance-Square | ||
| Jotaro Jotaro | 0'0" (0 m) |
135 lbs (61.23 kg) |
Alliance-Square | ||
| Junichiro Hori | 0'0" (0 m) |
155 lbs (70.31 kg) |
Alliance-Square | ||
| Kazuma Muranaka | 5'9" (1.75 m) |
258 lbs (117.03 kg) |
Alliance-Square | ||
| Kenji Ushioda | 0'0" (0 m) |
154 lbs (69.85 kg) |
Alliance-Square | ||
| Kento Isozaki | 0'0" (0 m) |
132 lbs (59.87 kg) |
Alliance-Square | ||
| Kento Kanbe | 5'4" (1.63 m) |
120 lbs (54.43 kg) |
Alliance-Square | ||
| Kohei Takemoto | 0'0" (0 m) |
145 lbs (65.77 kg) |
Alliance-Square | ||
| Komei Sugawara | 0'0" (0 m) |
155 lbs (70.31 kg) |
Alliance-Square | ||
| Kota Kawabata | 5'6" (1.68 m) |
125 lbs (56.7 kg) |
Alliance-Square | ||
| Kousei Sugino | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
Alliance-Square | ||