Wu Ren travels through time to become Lily's twin sister Lillian, who is not in the original work. He enters the snake's den and spends more than 20 years killing the snake's head. Be careful when entering the pit. Due to health reasons, the author generally "does not" update on a daily basis, and it is difficult to update regularly. It is recommended to finish the full text before jumping into the trap. CP is Wu Ren-Wu Yuran; Lilian-Mimir. The original pairings will not be changed. The love scene in this article is only a necessary embellishment, not the focus. Although the author hopes to achieve a more balanced and warm-toned ending, in order to express the theme of the article, Wu Ren will die in the final battle. This article is a first draft, including all major plots and showing a complete idea. The final draft will add a certain number of chapters to make the writing smoother, the connection more natural, and more interesting. The presentation method of the original chapters of a certain length will also be adjusted and bugs will be corrected.