Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

A mysterious alchemist studies and experiments to create a "living creature" called a Chemy. Unfortunately, the cards that should have been well-kept accidentally slipped together. A high school student named Houtarou Ichinose accidentally got involved and was given a task to return all the Chemies that were released around the world. He transformed with the Grasshopper Chemy, Hopper 1, and the Steam Locomotive Chemy, Steamliner to become Kamen Rider Gotchard.

In this Blu-ray exclusive spin-off, the main cast of Kamen Rider Gotchard are now students of Gotchard High School with Atropos as their new homeroom teacher?!