Kamen Rider Build: Meningkatkan Hazard Level ~7 Best Match~

Sinopsis: Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~ (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~ Kamen Raidā Birudo Hazādoreberu o Ageru Nanatsu no Besuto Matchi) is a web-exclusive series of Kamen Rider Build, which is released on Toei’s official YouTube channel.