Yogibo presents RIZIN.31
- Gore: 2021
- Nyika: Japan
- Genre:
- Studio: RIZIN Fighting Federation
- Keyword: mixed martial arts (mma), kickboxing, combat sports
- Mutungamiriri: Nobuyuki Sakakibara
- Cast: Yutaka Saito, Juntaro Ushiku, Kanna Asakura, Saori Oshima, Tsuyoshi Kamiyama, Lawdlain Saint Ilme
