Endless Mysterious Book

My name is Chen Yuan, an unknown writer of horror novels, until I bought the leather notebook called "The Book of Endless Mysteries" at the flea market. It is not blank, it is already filled with countless horrifying and true stories recorded by the "former chief writer". On the title page of the book, there is a warning written in blood-like ink: [Writing Rule 1: Everything you record will come true. I thought it was a lame joke until I wrote the first story on the page - a recurring dark shadow outside my window late at night. That night, it was right outside my window. Now, "The Book of Endless Secrets" forces me to become its "main writer". I must constantly search for, write and "end" the horrors circulating in the world. The pen is in my hand, the story is written by me, but the ending... May not be under my control. And on the last page of this book, there is a line of bright red words that just appeared: [Ultimate rule: When you finish recording the thousandth lie, you will become the final chapter of this book.