This type of novel often appeared in the fast crossing novel. The following is a recommendation for one of the novels: "Quickly wear it to save your ex." The plot of this novel was as follows: The female protagonist was called Lin Wan 'er. She was an ordinary university student who accidentally transmigrated to a fast-acting novel called " Perfect World." In this world, every protagonist had an ex, and Lin Wan 'er's mission was to restore their happiness. In her journey, she met many different male leads, each with their own story and flaws. She helped each male lead overcome their problems in various ways and finally saved their love. When she returned to the real world, Lin Wan 'er found that she had fallen deeply in love with her former male lead, Zhang Yu. She decided to return to the perfect world to continue saving Zhang Yu's love. Under her efforts, Zhang Yu finally forgave Lin Wan 'er and the two of them got back together. The story of this novel was interesting and the writing style was beautiful. It was suitable for readers who liked fast novels.