Doomsday Lord God-Level Gene Evolution System

A sudden virus catastrophe destroyed the foundation of human civilization. The survivors struggled to survive in the ruins, but he, who was once a forgotten low-level programmer, awakened the "god-level system" at the moment of the end of the world - as long as he kills the mutants, he can absorb their genetic evolution! From a homeless wanderer to the Lord of Doom who controls the lifeblood of all races, he reforges order with blood and fire and vows to make the world bow at his feet again. This is not just survival, but also a rise to royal power that changes destiny!