Takumi's feelings for Gii grow even stronger when they become roommates — but their close bond raises the ire of a jealous classmate.

A special preview special released a few weeks before Kamen Rider Gavv's premiere, which revealed new details and unreleased footage featuring the next Kamen Rider, Kamen Rider Gavv.

In order to defeat the Granute, Shoma will use new Gochizo to transform into a new form and assist! These new Gochizo are the Kungfu Ramen Gochizo and the Choco Treasure Gochizo.

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?!

March is the month of graduation ceremonies. Graduation ceremonies are the time for fun school life. So, what if the characters from "Kamen Rider Gavv" were living a school life? We've created six short skits based on this theme!

After the events of the series, Shoma continues his research for "Light Treats" to replace Dark Treats, Hanto continues his research as a freelance writer as keep daily records of the battle of the Kamen Riders, and Rakia remains alone in the Granute World. However, a new incident occurs in the once peaceful human world, forcing Shoma to rush back to the battlefield. What serious abnormality has occured to Hanto's body? What is the current state of the president's daughter, Lizel Jaldak, who is stuck in the human world? The final battle of the candy Kamen Riders begin!

Granute, secret lifeforms, kidnap humans for "Dark Market Snacks." Shoma, from another world, transforms with Gochizo, a sweet-eating monster, into Kamen Rider Gavv via a mouth-like belt to stop Granute's attacks and save people.

Kamen Rider Gavv: Final Stage is the stage show of Kamen Rider Gavv.

Filmed version of the stage show performed May 3-4 2025.