After being pulled through a door, Shoma finds himself in a peaceful world where Dark Treats do not exist?! In this world, Hapipare still exist, but a young man named Taorin who has Gavv works there. Taorin has no memory of his past, and Shoma decides to help him recover his memories. Meanwhile, a man named Caries begins indiscriminately attacking the town, and the peaceful world is transformed! The two struggle to restore peace and arrive at a huge Candy House. The two are on the verge of grasping something, but Caries transforms with an unknown Gochizo and corners Shoma and the others! What is the soruce of the overwhelming power that this most terrifying enemy has obtained?! What are Taorin's lost memories?!
知念英和
as Shoma Stomach / Kamen Rider Gavv
野口友輔
as Hanto Karakida / Kamen Rider Valen
宮部のぞみ
as Sachika Amane
庄司浩平
as Rakia Amarga / Kamen Rider Vram
塚本高史
as Lango Stomach
千歳まち
as Glotta Stomach
滝澤諒
as Nyelv Stomach
川﨑帆々花
as Siita Stomach
古賀瑠
as Jiip Stomach
世界
as Caries / Kamen Rider Caries
中島颯太
as Taorin
Natsuki Sawamoto
as Mysterious young man
