In the apocalyptic context of the "Black Eclipse" virus sweeping the world, human civilization is on the verge of collapse. The survivors were forced to hide in the legendary "Ark Sanctuary", a super shelter controlled by the mysterious artificial intelligence system "Noah". Here, each survivor is implanted with a "survival system" that allocates resources, tasks, and skills based on individual performance. However, countless secrets are hidden beneath the shelter's glossy surface: the origin of the virus, the true purpose of the system, and the future destiny of mankind.
