When the Apocalypse Comes, I Rely on Zombie Blood to Evolve Perfectly

[Zombie Apocalypse] + [Not the Holy Mother] + [Decisive Killing] + [Evolution] + [Power] + [Combat Flow] + [No Rebirth] What? There was an accident in the company laboratory? Did someone in the hospital bite someone? My ability to drink zombie blood has improved? Am I a pawn being used? Who planned all this? What do the people behind the scenes want to do? What's in the metal box? The female zombie is...