About
The story follows the Earth Defense Force "Earth Granner" as they stand against the "Dark Spinner," enemies from outer space aiming for Earth's rotational energy, "Earth Energy." It depicts the twin brothers Raiga and Kuuga Kudo as they transform into the heroes "Granner" and fight alongside sentient giant robots, deepening their "bonds" as they protect the world.
Characters
The 12-year-old younger twin brother. He has an energetic personality and gives his all to everything he does. Guided by Gao Granner Leo, he transforms into Granner R. He fights alongside Earth Granner to protect the planet.
The 12-year-old older twin brother. He has an intellectual and cool personality. Guided by Gao Granner Eagle, he transforms into Granner K. He fights alongside Earth Granner to protect the planet.
Rin Kumaneko's older brother. He has a quiet personality but possesses a strong will. However, he can be surprisingly airheaded at times, much to the shock of those around him. He shares an extremely strong bond with Gao Granner Saber and transforms into Granner X.
A cowboy who came from the American branch. He transforms into Granner J. He has a cheerful and friendly personality, cherishing his family and comrades as "family." He and his partner, Gao Granner Buffalo, are a perfect pair of kindred spirits.
A world-famous racer who also serves as a member of the Earth Defense Force "Earth Granner." He is a reliable older brother figure to Raiga and Kuuga. By connecting his heart with Gao Granner Tyranno, he gained the ability to transform into Granner G.
Intro
The Dark Spinners have begun their invasion! What will you do?!
Release Date 2026.08.28 / Last Updated 2026.08.28