Plot
Granutes are intelligent lifeforms that operate secretly in the human world. They kidnap people for the sake of "Black Market Sweets." As people are attacked one after another by the Granutes, Shoma, a young man from another world, rises up to save the people. Together with the Gochizo, small monsters born from eating sweets, he transforms into Kamen Rider Gavv with a mouth-like belt!
Cast
Hidekazu Chinen
as Shoma / Kamen Rider Gavv
Yusuke Hino
as Hanto Karakida / Kamen Rider Valen
Nozomi Miyabe
as Sachika Amane
Machi Chitose
as Glotta Stomach
Ryo Takizawa
as Nyelv Stomach
Honoka Kawasaki
as Siita Stomach
Ruito Koga
as Jeebh Stomach
Takashi Tsukamoto
as Lango Stomach
Shintaro Asanuma
as Kenzo Suga
Kouki Sakurai
as Agents (voice)