By chance, Shoma meets a tough-looking man named Sujimoto and decides to help him with his work as he is asked. Then Sujimoto is attacked by a Granute. Shoma receives a call from the Gochizo and rushes to the scene, where he transforms into Gavv and challenges the Granute to a fight. The Kamen Rider appears! Hanto receives the news from Sachika and witnesses Gavv's battle...!?
Genres: Action & Adventure , Drama , Sci-Fi & Fantasy
Keywords: artificial-intelligence-a-i , based-on-manga , biker , conspiracy , cyborg , death-of-hero , evil-dad , friends-to-enemies , henshin-heroes , hero , impostor , martial-arts , masked-superhero , masked-supervillain , memory-loss , monster , motorcycle , mysterious-death , mysterious-disappearance , secret-organization , super-power , superhero , superhero-teamup , supervillain , swordsman , tokusatsu , tribe , villain , watch-series-online