仮面ライダービルド ハザードレベルを上げる7つのベストマッチ - Season 1 Episode 1
Nariaki Utsumi appears to help Build prepare for the proxy battle with Grease. This chapter takes place immediately after Sento obtains the Fullbottles from Hokuto and Seito in Episode 21, but one week prior to the scene where Build charges at Grease at the proxy duel.
- Zhanri: Action & Adventure, Sci-Fi & Fantasy, Drama
- Studio: YouTube
- Fjalen: monster, training, superhero, scientist, super power, scientist hero, based on tv series, kamen rider
- Cast: Atsuhiro Inukai, Yuki Ochi, Katsuya Kobayashi, Kaho Takada