Asking About the Biography of Immortals, One Book Is Full of Cause and Effect

(Multiple heroines, cool novels, novels about cultivating immortals) A fairy book fell like a star, and Ye Bai, who was in college, got it by chance. He was somehow tainted with the cause and effect of the world of cultivation. He thought everything was a coincidence, but he didn't know that he had become a part of the book. Can he change the ending of the story and save the whole world by himself...