Reincarnation: How Did the Simulated Heroine Come True?

Lin Yan, who traveled to the world of immortality, accidentally awakened the "Book of Hundreds of Worlds" system. As long as you simulate a period of life and complete tasks, you can get corresponding rewards. … Impersonate a doctor, save a spirit fox, help her successfully survive the disaster and transform into a human form. But Linghu finally said that no matter where Lin Yan hid in the end of the world, he would find him. Impersonating a scholar, he was rescued by a female swordsman. He developed a secret love and helped the female swordsman overcome the difficult situation. But the female swordsman finally said that she would seek revenge from Lin Yan in all her life. … As he simulated countless stages of life in the Book of Hundreds of Worlds, Lin Yan's path to immortality became smoother. It wasn't until one day when the demon empress and the Taoist fairy came to visit that Lin Yan realized something was wrong. Etc? How come all my simulated heroines have come true!