Kamen Rider Build: Raising the Hazard Level ~7 Best Matches~ (2018)
| First Air Date: | 2018, February 5 |
| Last Air Date: | 2018, April 30 |
| Status: | Ended |
| Seasons: | 1 |
| Episodes: | 3 |
| Episode Runtime: | 20 min |
| Countries: | Japan |
| Production: | Toei Company, Ishimori Production |
| Cast: | Katsuya Kobayashi, Atsuhiro Inukai, Kaho Takada, Yuki Ochi |
Overview:
As Kiryu Sento prepares for the proxy battle against Kamen Rider Grease, Nariaki Utsumi appears and offer his help.