Core World Concept For nearly four centuries,the underground city of Vey had survived beneath a dead continent where radiation storms still peeled the skin from abandoned skyscrapers above. Every citizen was assigned a sealed residential cycle,a repeating psychological rehabilitation program designed to prevent collective panic,but no one was allowed to remember the previous cycle once it ended. The city called it preservation. The walls called it mercy. Yet certain people began waking with bruises they had not earned yet,and grief for conversations that had not happened. Protagonist Elias worked inside the Archive Division,a windowless department tasked with erasing forbidden emotional residue from citizen memory before each reset. He had spent most of his life deleting suicidal confessions,violent hallucinations,and desperate claims that the city had lived through identical years before. When his wife began reciting entire arguments to him before they occurred,he discovered fragments of recordings carrying his own voice from decades earlier,always ending with the same exhausted plea to stop the next cycle before she dies again. Existential Realization The city was never preserving humanity from extinction. It was preserving humanity from remembering extinction had already happened countless times. Every rebellion,every love affair,every child,every act of hope had unfolded before with microscopic precision inside an endlessly repeated psychological enclosure buried beneath a world already empty of life. Elias finally uncovered the last uncorrupted file recorded by the founders centuries ago: the surface had become safe generations earlier,but no one left because the cycle itself had become humanity’s final addiction.