When college student Nanago Ibaki wakes from a nightmare of falling skies and fevered air, he dismisses it as just another strange dream—until a real-world emergency broadcast rattles his reality. As whispers of a spreading sickness grip the city of Almenio, a cryptic warning from classmate Kita Gasaki suggests this outbreak is more than coincidence. Pushed by instinct and desperation, Nanago and his best friend Toji decide to flee the city, hitching a ride with a stranger named Soja. As the world begins to unravel, one thing becomes clear: the end didn’t start somewhere else. It started here.