Garufa, an evil empire of mechanical aliens in a futuristic world, is gearing up to invade Earth with their army of war machines. The residents of the planet unite to create GEAR (Guard Earth and Advanced Reconnaissance) to safeguard their land. To defend against the impending threat, GEAR assigns the robust GEAR Fighter Dendoh, a war mecha controlled by two students from elementary school - Kusanagi Hokuto and Izumo Ginga. Will these young pilots' deep bond of friendship enable them to unleash the full power of the machine and triumph over Garufa's army?