Kamen Rider Build: Transformation Lessons ~The Laws Of Transformation Are Set!~

Night Rogue Chapter (1x2)

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Gentoku Himuro films a FausTube video in their secret lab base showing his viewers three things: his transformation into Night Rogue, the combination of the Transteam Gun and the Steam Blade: the Steam Rifle, and the Steam Rifle's finisher: Steam Shot with a Faust Bottle.