I'll Fall in Love with You a Thousand Times After Transmigrating a Thousand Times

Transmigration to a Parallel World: The CEO Turns into a Male Star and Falls for the Heroine. After Lin You attends her company's celebratory banquet, she happens to meet Cheng Siyou, a popular celebrity. When he pursues her, they get together. Not long after they start dating, Cheng Siyou seems to become a different person. He's cold toward Lin You, unfaithful, and does many things to hurt her. One day, she sees Cheng Siyou acting intimately with another actress on a street corner, and finally can't bear it anymore. She starts thinking about ending her life. As she stands on the rooftop amid lightning, thunder, and pouring rain, she feels herself faint during the storm. When she wakes, she discovers she's in another world. Her friends and colleagues are still the same people as before. The only difference is that nobody seems to have heard of Cheng Siyou; they don't know who he is. She even starts to think it was all a dream, until she meets Mu Lin, the company president, who looks exactly like Cheng Siyou. He pursues her passionately, but Lin You keeps mistaking him for the Cheng Siyou from before, making things difficult for him and rejecting him at every turn. One day, while driving to save her, Mu Lin gets into a car accident and tells Lin You that he is Cheng Siyou. He was originally Mu Lin in this world. They were deeply in love, but a car accident sent them to that other world. When he realized he had encountered Lin You again, he also learned he was terminally ill. He didn't want to see her grieve when he died, so he pretended to be a scoundrel. That day, he followed Lin You onto the rooftop, and they transmigrated back together. He had stopped driving because he was afraid of getting into another accident, but in the end, he still got behind the wheel to save Lin You and crashed...