Zero-One Others: Kamen Rider Vulcan & Valkyrie

The Secretary of National Defense orders Yua Yaiba, known as Kamen Rider Valkyrie, to destroy Kamen Rider MetsubouJinrai. As Yua hesitates to follow these instructions, the target begins hunting her. Simultaneously, former Solds fight a war against A.I.M.S. to find freedom after leaving ZAIA Enterprise. Isamu Fuwa, who witnessed the creation of Kamen Rider MetsubouJinrai, investigates the entity's true intentions. Following her own moral code, Yua refuses to fight the Solds or MetsubouJinrai, putting her at odds with Isamu as he pursues his final mission as Kamen Rider Vulcan.

This Japanese science fiction action drama was produced by Toei Company and directed by Masaya Kakehi. The screenplay was written by Yuya Takahashi. The film features a cast including Ryutaro Okada as Isamu Fuwa, Hiroe Igeta as Yua Yaiba, Noa Tsurushima as Is, Nachi Sakuragi as Gai Amatsu, Ken Sugawara as Sold9, and Yui Narumi as Sold20.

Released on August 27, 2021, the film has a runtime of 47 minutes. It is generally well-received by its audience, holding a rating of 7.5/10 on IMDb based on 78 votes.