I Can Enter the Novel and Modify the Plot

On New Year's Eve, Pei Yuan unexpectedly became the only human in the world to own a fairy palace. He needs to enter the dreamland of one hundred novel worlds set up by Master Jiang Meng in order to build the foundation of immortality and officially embark on the path to immortality. As Pei Yuan entered the world of spiritual practice, he discovered that the world was far from being as simple as he imagined. The strange old man said that this world was fake. The sword fairy in the novel appeared in reality. There seemed to be a thread in the chaos guiding him to move forward. When he crossed the galaxy, the battlefield that decided the fate of mankind officially began. "Pei Yuan, you are here..." Dao Mengxian, the soul returns to the mortal body, the sword comes!