A special titled “I Heard the Idol Otaku is Dating His Fav” will release as part of the Build NEW WORLD: Kamen Rider Grease V-Cinema.
The special short, “I Heard the Idol Otaku is Dating His Fav”, will feature the love story Kazumi Sawatari talked about in episode 36 of Kamen Rider Build, unexpectedly, adapted in live action. It will also be seen during the limited theater screening.
In Build NEW WORLD: Kamen Rider Grease, Kamen Rider Grease fights to protect his friends in the new world acting as the only Kamen Rider who can transform. In order to complete the new item needed to defeat his enemies, he must take the lives of the famous trio, as the ultimate decision approaches the hot headed Grease.
A limited screening of the movie is set for September 16, 2019 and the Blu-Ray/DVD goes on sale starting November 27, 2019.
Source: Toei Productions Press Release