In the fantastical realm of Arst, Prince Jordy Volder rises to challenge the conquests of the ambitious Marder. With the aid of the ancient colossal robot known as 'panzer' Galient, Jordy embarks on a mission to thwart Marder's tyranny. Unveiling a cache of buried panzers, including the legendary Galient, Jordy confronts Marder's mechanized forces as they strive to dominate the Crescent Galaxy.