Yogibo presents RIZIN.31
- Chaka: 2021
- Dziko: Japan
- Mtundu:
- Situdiyo: RIZIN Fighting Federation
- Mawu osakira: mixed martial arts (mma), kickboxing, combat sports
- Wotsogolera: Nobuyuki Sakakibara
- Osewera: Yutaka Saito, Juntaro Ushiku, Kanna Asakura, Saori Oshima, Tsuyoshi Kamiyama, Lawdlain Saint Ilme
