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In order to acquire Taro's Humagear Progrise Key, Aruto has to defeat Taro at a three-round joke showdown!
as Aruto Hiden / Kamen Rider Zero-One
as Isamu Fuwa / Kamen Rider Vulcan
as Izu
as Taro The Ab-Buster; Jiro The Ab-Buster
as Hiden Zero-One Driver/Progrise Keys (voice)
as Hiden Zero-One Driver/Progrise Keys (voice)