Although Vengeful Ghosts like A Xi had no concept of the real world or the Nightmare World, they seemed to have once been human. They had died with tremendous resentment and regret, only to become trapped by their memories of life after death, turning into Vengeful Ghosts who could never find a way out.
Then was the Nightmare World what humans called the afterlife, or "hell"?
No one knew. Even Su Bai, who had been reborn, did not know what this world beneath the Red Moon truly was. In his eyes, the Nightmare World was like an enormous, boundless garbage dump. No one could say how many things it contained. It seemed to have everything, yet much of it had no reason to exist.
In his previous life, organizations like the Nameless Society had people who researched the Nightmare World's origins and purpose. Based on records found there, some had discovered that the Nightmare World of long ago had been more like a world entirely unrelated to the real world. Back then, it had neither a red moon nor supernatural horrors everywhere, and human societies similar to those in the real world had existed there. Long-existing Vengeful Ghosts like A Xi might have once lived in that era.
But at some unknown point, the Nightmare World had begun drawing closer to the world Su Bai and the others lived in, becoming increasingly similar. Even the layouts of its cities and roads had started to resemble those of the real world. Players had later discovered that when a mass grave in a real-world city was cleared and converted into a school, a school had also appeared overnight on a stretch of ghost-infested wasteland somewhere in the Nightmare World. Only, the things wandering inside that school were certainly not students.
In short,