On the third day of the apocalypse, gray fog shrouded the city. Wang Dun hid in a courier station's warehouse, watching as his neighbor was dragged into the fog by a Class D anomaly known as the "Slit-Mouthed Woman." With nowhere left to turn, he grabbed a fire axe and fought the creature for his life. The instant he killed it, a prompt sounded in his mind: "A target available for consumption has been detected. Consume it?"