When I Fall Asleep, Humans Have Become Food

When he closes his eyes, he is still a social animal lying flat. When he opens his eyes, the zombies have become the masters of the earth. After traveling through time and again for a long time, I became the most popular person among 150,000 time travellers. "What will happen if I die?" "Actually, it's not a big deal if you die, but billions of humans and zombies will be buried together. Anyway, because of your death, the two worlds have been restarted 1,343 times."