K-1 WORLD GP 2021 JAPAN ～K’FESTA.4 Day.2～
- Он: 2021
- Улс: Japan
- Төрөл: Action
- Студио: ABEMA, GAORA, M-1 SPORTS MEDIA
- Түлхүүр үг: kickboxing, combat sports
- Захирал: 中村拓己
- Цутгамал: Takeru Segawa, Leona Pettas, Sina Karimian, Kyotaro Fujimoto, Kosuke Jitsukata, Keisuke Nakajima
