Twelve ancient gods demand humanity pilot them against each other, and the show treats this not as spectacle but as the most crushing compromise imaginable. The cell-shaded visuals make every mecha clash feel like watching stone titans collide in slow motion, weight and consequence visible in every frame. You watch people destroy each other with weapons that were supposed to save them, and the art style never lets you look away from what that costs.
Humanity survives an apocalyptic ice age only by activating twelve colossal stone idols unearthed across the globe. But salvation comes with a price: the statues demand bodies of steel, forcing nations to construct massive mechanized frames to house them. More troubling still, these ancient entities compel their human pilots into brutal combat against one another, each battle determining the fate of entire regions. A young man finds himself conscripted into this violent system, piloting a giant armor in wars he never chose. As he fights alongside and against other pilots, he begins uncovering the truth behind the idols' origins and their mysterious agenda. The statues claim to protect humanity, yet they orchestrate endless conflict. Is their warfare necessary for survival, or are they simply using humans as pieces in a game far older and darker than anyone realizes? This is mecha warfare stripped of noble causes. Survival means fighting when you'd rather not, and every victory raises new questions about who really controls the battlefield.