I Got a Doomsday World at the Beginning, I Won't Pretend Anymore

At the beginning, you get a doomsday world on the verge of collapse. In the apocalypse, morality has collapsed, order has ceased, and everyone is in danger. Human beings not only have to face powerful zombies, but also have to be careful about their companions. What? Does the entire apocalyptic world belong to me alone? Then I can do whatever I want? That's okay. "Cough cough cough." "I won't pretend anymore. I've actually never been a good person." "The end of the world, here I come." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.