Baiguilu

In the third month of the strangeness, the official issued a "rule book": what time can't go out, what lights can't be looked at, and what phone calls can't be answered. Everyone in the city can live a day by memorizing a piece of it. Zhou Yan, the undertaker on the night shift at the funeral parlor, opened the thread-bound old book left by his grandfather. The book records the origins, taboos, and methods of sending each strange animal - who it was during its lifetime, what it was afraid of, and how to send it on its way. Others live in hiding by violating the rules. He followed the old rules and sent them away. Only the last page of the book was torn out. There are six words on the folder, written in Grandpa's handwriting: Don't let them out...