Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~

Kamen Rider Build: 7 Best Matches to Raise the Hazard Level (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) is a web-exclusive series of Kamen Rider Build, which is released on Toei's official YouTube channel.