Years after the Earth is devastated by an unknown disaster, the world is left shattered with regions from other dimensions leaking into it. The story follows one of the last remaining humans, a nameless wanderer, on an endless journey of survival. After an encounter with a beast, he finds himself hiding in a mysterious anomalous building. Within the building, he discovers an android from a bygone era with the sole instructions: “Prevent the world from ending; should you fail, restore it.”