The story revolves around Masaru Mahha, a 5th grader who loves Crush Gear, but do not have a Gear to play. When Masaru and his family moved into a new town, he saw Gear Fights are used to solve disputes through a hero, Crush Kid and his Gear, Garuda Phoenix. Masaru accidentally participates in the Gear Fight using Garuda Phoenix and wins the game, marking the beginning of his life as a Gear Fighter.