Is It Me Who Saves the Villain, or Is It Me Who Saves the World?

(Everything shall be subject to the text!) Two world backgrounds, first the modern world and then the fantasy world of immortality. Strong Female + Double Cleanliness + Self Strategy + Imaginary World + Pseudo System [The emotionally retarded heroine with a strange brain circuit but strong self-healing and fighting ability & the love-brained male protagonist who was once controlled by a madman who almost lost his humanity and later became a "gentle husband"] Lin Sangwan traveled into an unknown bloody novel, and the system asked her to advance the plot. But Lin Sangwan suddenly discovered that this so-called time travel was probably set up by someone. At the end of the world, she exchanged her life for her life to save the villain and the world. When I open my eyes again, I have appeared in a brand new world, a new round of gears of destiny has started again, and a new story has begun again. How will Gu Xingchen choose his destiny this time... ———— The heroine's name is Lin Sangwan in the early stage, and Gu Xingchen in the later stage. Lin Sangwan (Gu Xingchen): ... Hey, hey, hey, I'm just saving people! Xie Chenye: Yeah, yeah, I know, the stars saved my heart~