';
| Fighter | Nickname | Height | Weight | Association | |
| Atomu Atomu | 0'0" (0 m) |
115 lbs (52.16 kg) |
R-Blood | ||
| Gilson Sone | 0'0" (0 m) |
135 lbs (61.23 kg) |
R-Blood | ||
| Hiroyuki Endo | 0'0" (0 m) |
150 lbs (68.04 kg) |
R-Blood | ||
| Katsuki Aida | 5'5" (1.65 m) |
145 lbs (65.77 kg) |
R-Blood | ||
| Kazushi Tsukagoshi | 6'0" (1.83 m) |
135 lbs (61.23 kg) |
R-Blood | ||
| Ken Saotome | 5'7" (1.7 m) |
135 lbs (61.23 kg) |
R-Blood | ||
| Kentaro Akagi | 5'7" (1.7 m) |
181 lbs (82.1 kg) |
R-Blood | ||
| Koji Katahira | 0'0" (0 m) |
125 lbs (56.7 kg) |
R-Blood | ||
| Kosuke Umeda | 5'9" (1.75 m) |
145 lbs (65.77 kg) |
R-Blood | ||
| Manami Sasaki | 0'0" (0 m) |
145 lbs (65.77 kg) |
R-Blood | ||
| Masaki Sato | 0'0" (0 m) |
125 lbs (56.7 kg) |
R-Blood | ||
| Naoki Usui | "Atom" | 5'4" (1.63 m) |
115 lbs (52.16 kg) |
R-Blood | |
| Norio Kawasaki | 0'0" (0 m) |
185 lbs (83.91 kg) |
R-Blood | ||
| Ryuhei Sato | 5'11" (1.8 m) |
183 lbs (83.01 kg) |
R-Blood | ||
| Ryuta Sakurai | 5'10" (1.78 m) |
170 lbs (77.11 kg) |
R-Blood | ||
| Shinji Muto | 0'0" (0 m) |
0 lbs (0 kg) |
R-Blood | ||
| Taichi Yokoyama | 0'0" (0 m) |
125 lbs (56.7 kg) |
R-Blood | ||
| Takahiro Futatsumori | 5'8" (1.73 m) |
170 lbs (77.11 kg) |
R-Blood | ||
| Takashi Kumada | 0'0" (0 m) |
0 lbs (0 kg) |
R-Blood | ||
| Takashi Fujishima | 5'10" (1.78 m) |
155 lbs (70.31 kg) |
R-Blood | ||