In a memory rehabilitation center code-named "Lighthouse", a man code-named "Zero" woke up from a void. Under the guidance of his attending physician Evelin, he used cutting-edge "memory weaving" technology to regain the warm and beautiful past - the sun and the beach, the laughter of his lover. However, the fragmented senses and strange emotions haunted him like ghosts. When a cold metal gear that does not belong to any "memory" appears, the world he built begins to collapse. Who is he? Are these implanted memories meant to heal him, or to imprison a more dangerous truth? On this isolated island of consciousness, he must dive into the forgotten deep sea and salvage his own reality.
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