With the Script in Hand, Watch Me Swim in the Doomsday World

The day before the end of the world, Li Dong accidentally got a mysterious book with himself as the protagonist. The book not only accurately predicts the end of the world, but also describes the details of his life accurately. At first he just thought it was a coincidence, until everything in the book started to come true... When the prophecy comes true, should you follow the script or tear it into pieces?