Kanon Miyahara

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 creature destroys 70% of the moon. The creature then warns that if he is not destroyed by March of next year, Earth will be next. The creature also demands that he becomes the homeroom teacher for 3rd grade E class at Kunugigaoka Junior High School. The government is powerless to say no. The creature then becomes the homeroom teacher of 3rd grade E class which consists of failed students including Nagisa Shiota. The creature is called Teacher Koro. Meanwhile, the government requests that the students try to kill Teacher Koro even though he possesses super powers. The government offers a 10 billion yen reward for whomever successfully kills him. The students are confused by the situation, but decide to kill Teacher Koro. When their class begins with Teacher Koro, the students finds themselves having a good time with their new teacher.

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

Dormant, experimental cells begin to awaken inside their human hosts, turning them into creatures called 'Amazons'. Two Amazons-Jin Takayama and Haruka Mizusawa-transform into Kamen Riders Alpha and Omega, aiming to exterminate the growing threat.

High school student Mitsuko navigates a series of bizarre alternate realities, each ending in bloody carnage.