- Ryutaro Imai (Baku Yorozu / Kamen Rider ZEZTZ)
- Maho Horiguchi (Nem)
- Kenta Mishima (Tetsuya Fujimi)
- Rina Onuki (Nasuka Nagumo)
- Miki Yagi (Minami Yorozu)
- Yuki Furukawa (NOX)
- Jay Kabira (Zero (voice))
- Koichi Yamadera (ZEZTZ Driver (voice))
Kamen Rider — S34E21
Episode: Mad Warrior! The Black Flame, Valvarad!
Air Date: 2024-02-04
Runtime: 25 min
Overview
Houtaro drives the runaway Wheel Malgam into de-transformation with the power of Fire Gotchard. However, Supana stubbornly shuts his mind, saying to Houtaro and the others, "This is my battle," and remains engulfed in black flames. Houtaro and the others support Kyoka in making a new driver for Supana. They continue working on it through the night, but now Geryon's evil hand is closing in on Kyoka..!