Oto Abe

A mysterious alchemist studies and experiments to create a "living creature" called Chemie. Unfortunately, the card 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 Chemie that was released around the world. He transformed with Grasshopper Chemie, Hopper 1 and Steam Locomotive Chemie, Steamliner to become Kamen Rider Gotchard

A mysterious alchemist studies and experiments to create a "living creature" called Chemie. Unfortunately, the card 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 Chemie that was released around the world. He transformed with Grasshopper Chemie, Hopper 1 and Steam Locomotive Chemie, Steamliner to become Kamen Rider Gotchard

Chisato and Mahiro were banned from performing tasks because they violated the organization's rules?! Needing money to make ends meet, they resumed their days as part time workers. The two are busy working to earn money, but they suddenly encounter other assassins who are after them. What should they do if they can't reveal their identity as assassins when they are not on duty?