I don't know when the world began to fall into panic. Rivers of blood flowed wherever the zombies went. Civilization was destroyed. Light was shrouded in darkness. Burning, killing and looting filled every corner. The darkness of human nature gradually began to reveal itself. In the end of the world, are you still relying on your old age? Giant baby? A legacy of traditional feudalism? Kill each other? Civil unrest? People eat people? Good intentions but being treated as a bad person? People's hearts are evil