Humanity stands on the brink of total annihilation following a relentless war against supernatural forces. Kang-Hansoo, one of the final survivors, receives a desperate opportunity to travel back to the moment the catastrophe began. Now returned to the starting point of the tutorial, he utilizes his memories of the future to navigate lethal zones and outmaneuver both monsters and treacherous players. This gritty fantasy series follows a protagonist driven by necessity as he seeks to rewrite history through calculated strength and foresight. It offers a grounded take on the regression subgenre, blending intense survival elements with strategic world-building and character progression.

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