In order to acquire Taro's Humagear Progrise Key, Aruto has to defeat Taro at a three-round joke showdown!
Fumiya Takahashi | Aruto Hiden / Kamen Rider Zero-One |
Ryutaro Okada | Isamu Fuwa / Kamen Rider Vulcan |
Noa Tsurushima | Izu |
Kinnikun Nakayama | Taro The Ab-Buster; Jiro The Ab-Buster |
Blaise Plant | Driver jingles (voice) |