Kamen Rider Gavv: Invaders of the Candy House / Eiga Kamen Raidâ Gavu Okashi no Ie no Shinryakusha (2025)

A mysterious door suddenly appears in front of Shoma and Sachika. Shoma is dragged through the door and arrives at a peaceful world where Dark Sweets do not exist!? There is also Hapipare in this world, but there is a young man named Taorin who has a Gavv. However, he has no memory of the past. Shoma cooperates to help Taorin regain his memories. Meanwhile, a man calling himself Caries begins to attack the town indiscriminately, and the peaceful world is transformed. The two struggle to bring back peace, but they end up in a giant Candy House. They grab something and try to transform, but Caries transforms with an unknown Gochizo and corners Shoma and his friends.