| Fighter | Nickname | Height | Weight | Association | |
 |
Yu Fujimaki | 5'11" (1.8 m) |
145 lbs (65.77 kg) |
Paraestra Koiwa | |
|
Yuichiro Abe | 5'11" (1.8 m) |
170 lbs (77.11 kg) |
Paraestra Koiwa | |
|
Yusei Washizaki | "Ju-sei Aquila" | 5'7" (1.7 m) |
155 lbs (70.31 kg) |
Paraestra Koiwa |
|
Yutaka Shimamura | 5'6" (1.68 m) |
145 lbs (65.77 kg) |
Paraestra Koiwa | |
|
Yutaka Saito | 5'8" (1.73 m) |
145 lbs (65.77 kg) |
Paraestra Koiwa | |
