The end is coming, and the "Hoop" space station that preserves all human technology and culture is the only pure land. Levi was appointed as the "Civilization Restarter", regularly airdropping technology packages to the ground and guiding survivors to rebuild. He observed, evaluated, and intervened like a god, but gradually became obsessed with the authority of "creation", walking a tightrope between selfless salvation and playing god, until one day he received a signal from the ground: "We know you are watching. Are you also part of the experiment?"