Krush 125 took place on May 30, 2021, at Korakuen Hall in Tokyo, Japan. In the main event, Daizo Sasaki faced Jin Hirayama. The card also featured Koki versus Yuto Kuroda and Takaya Ogura versus Kaito Komaki.
| Actor | Role |
|---|---|
| DDaizo SasakiSelf | Self |
| JJin HirayamaSelf | Self |
| KKokiSelf | Self |
| YYuto KurodaSelf | Self |
| TTakaya OguraSelf | Self |
| KKaito KomakiSelf | Self |
| KKento ItoSelf | Self |
| CChihiro NakajimaSelf | Self |
| RRyutoSelf | Self |
| RRei InagakiSelf | Self |
| HHiroki MitsuiSelf | Self |
| SSho UchidaSelf | Self |
| YYoshimiSelf | Self |
| FFaezeh WeerasakrecSelf | Self |
| HHitoshi AketoSelf | Self |
| GGo KatoSelf | Self |
| EErutoSelf | Self |
| KKosukeSelf | Self |
| TToody NaomiSelf | Self |
| AArinaSelf | Self |