Krush 127 took place on July 24, 2021, at Korakuen Hall in Tokyo, Japan. In the main event, Seiya Tanigawa faced Mahmoud Sattari. The card also featured Hisaki Higashimoto versus Hiroki and Yuzuki Satomi versus Shinichiro Kawasaki.
| Actor | Role |
|---|---|
| SSeiya TanigawaSelf | Self |
| MMahmoud SattariSelf | Self |
| HHisaki HigashimotoSelf | Self |
| HHirokiSelf | Self |
| YYuzuki SatomiSelf | Self |
| SShinichiro KawasakiSelf | Self |
| SShuji KawaradaSelf | Self |
| SShoyaSelf | Self |
| TTsubasa HoriiSelf | Self |
| DDaiki NagumoSelf | Self |
| AAtsuto MatsumotoSelf | Self |
| HHikaru TerashimaSelf | Self |
| MMahiroSelf | Self |
| RRanSelf | Self |
| RRuiSelf | Self |
| HHitoshi SugimotoSelf | Self |
| YYuki KudoSelf | Self |
| TTakumi NakahiraSelf | Self |