In order to defeat this new enemy and rescue Misora (role reprised by Kaho Takada), Kazumi must create a new item, and it requires the life of his friends, the Hokuto Three Crows. The ultimate decision must be made. Also confirmed to be part of the film's cast are: Atsuhiro Inukai and Eiji Akaso, reprising their roles as Sento Kiryu/Kamen Rider Build and Ryuga Banjou/Kamen Rider Cross-Z respectively.
Billed as the final chapter of the Kamen Rider Build story, the film is written by Kamen Rider Build series head writer Shogo Muto (Crows Zero, Kamen Rider Heisei Generations Final) and directed by Shojiro Nakazawa (Build NEW WORLD: Kamen Rider Cross-Z). The film is set for a limited theatrical run this September 16th and will be available on Blu-ray and DVD in November 27th.