- Title: Kamen Rider Kiva: King of the Castle in the Demon World
- Alternative Title: 劇場版 仮面ライダーキバ 魔界城の王 Gekijōban Kamen Raidā Kiba Makaijō no Ō
- Number of Episode: 1
- More Info: https://en.wikipedia.org/wiki/Kamen_Rider_Kiva:_King_of_the_Castle_in_the_Demon_World
- Summary: King of the Castle in the Demon World features two new Riders, the first of which was shown in silhouette in Japanese children's magazines, Kamen Rider Rey, who is a monster hunter named Takato Shiramine played by Shouma Yamamoto. He is partnered to Rey Kivat, voiced by Norio Wakamoto. The villain of the movie is Takashi Sugimura who is a death-row inmate and transforms into the black and horned Kamen Rider Arc, portrayed by Ken Horiuchi of the comedy troupe Neptune. Arc is to be the tallest Rider without the use of powers at 3.2 m tall. Also guest starring is Gal Sone, who plays a Medusa-like villainess named Sayaka who, among other creatures known as the Legendorga, aids Arc in his quest to rule the world. As part of the role, Gal Sone will show off her competitive eating skills. Toshihiko Seki, Kōji Yusa, Masaki Terasoma, Kenichi Suzumura, Rina Akiyama, and Ryo Ueno of the Den-O cast are all to have cameo appearances in the film.