Kamen Rider Gavv: Transformation Lessons is a spin-off of Kamen Rider Gavv, which was released on Bandai JP's official YouTube channel.
Hidekazu Chinen
Shoma / Kamen Rider Gavv
3 episodes
Kouki Sakurai
Gochizo (voice)
3 episodes
Ayu Shoji
Gochizo (voice)
3 episodes
Yusuke Hino
Hanto Karakida / Kamen Rider Valen
2 episodes
Yoshiyuki Tsubokura
Granute Whiple (voice)
1 episode
Seiichiro Nagata
Ho-Oh Kaguya Quartz / Kamen Rider Legend (voice)
1 episode
Kohei Shoji
Rakia Amarga / Kamen Rider Vram
1 episode
Ryo Takizawa
Nyelv Stomach
1 episode