The most ruthless person in the apocalypse

When you wake up, the zombie virus breaks out and the world falls. Human civilization collapses. As a survivor, your only desire is to survive! Question: How can we survive in the last days? Answer: First of all, be ruthless! [Non-Rebirth] [Light System] [Zombies] [Survival in the End of the World] [Decisive Killing] [Not the Holy Mother]...