Doomsday: the Strongest Survival System

I came to the end of the world There is no order or morality left in this world. And besides the apocalypse, this world also has dangerous zombies, The chances of human survival are constantly decreasing, and I just want to live, So I encountered the most powerful survival system, which allowed me to survive. Ever since I encountered the strongest survival system, I don't just want to survive. Instead, we lead the surviving humans to fight against zombies and the coming doomsday. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.