Raging Zombie Apocalypse

(A pure zombie-apocalypse novel, with no gods, no System, no golden finger, and no alien technology!)

When humanity used science to pursue its dream of immortality, it had already defied the laws of nature. The virus spread far and wide through human hands, bringing about the end of the world. It evolved rapidly, gradually slipping beyond human control and unleashing a terrifying "zombie evolution frenzy"!