The end of the century, xx year.
Due to severe pollution, humans have become less fertile. Very few children are born in the world, and even newborns are polluted. Humanity is nearly extinct. Children have gradually become the most valued group in order for humans to survive on the earth. The central government is fully committed to protecting these human seedlings. No matter how they were protected, the poor children who were few in the first place died. A 13-year-old child named 013 was brutally tortured and killed. The country is fully investigating.
And 0013, who was brutally tortured and killed, opened his eyes and found that he had changed to a different world.