Weird asylum, you're taking in a human being like me?

Novel Summary

[No System] + [No Heroine] + [Cthulhu] + [No Routine] The Dark Prison merges with reality, and strange creatures invade the world through the ‘door’. An organization was born quietly, and they called themselves the Jail Keepers. They kept the strangeness out of the ‘door’, and captured and contained the strange creatures that ran into the world. Lu Xiao accidentally fell into the Dark Prison and lived alone in the Dark Prison for three years. After being discovered by the Jail Keeper Organization, he was taken away from the Dark Prison and became an S-level containment with a system. [Serial Number 081-Bone Sculptor] Security Level: S A toy craftsman from the Middle Ages, the dolls he carved are deeply loved by children. But... Those dolls are all carved from human bones... [Serial Number 069-Prison Doctor] A doctor from the Middle Ages, holding a firm belief that there should be no patients in the world. He spared no effort to find patients in the world and cure them. Even if... It's just a small mouth ulcer...

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