Fifth grade boy Masaru loves Crush Gear very much. But he does not have his own original Gear. One day he and his family move to a new town where Masaru meets a hero named Crush Kid. Crush Kid is a well-known Gear Fighter who uses a gear called Garuda Phoenix. Masaru accidentally participates in the Gear fight using Garuda Phoenix and wins the game. His life as a Gear Fighter begins.