K-1 WORLD GP 2021 JAPAN ～K’FESTA.4 Day.1～
- Annu: 2021
- Paese: Japan
- Genre: Action
- Studio: GAORA, ABEMA, M-1 SPORTS MEDIA
- Parolla chjave: kickboxing, combat sports
- Direttore: 中村拓己
- Cast: Tatsuya Tsubakihara, Yuki Egawa, Hideaki Yamazaki, Fukashi Mizutani, Yuta Murakoshi, Ryusei Ashizawa
