😋I have a book here that meets your requirements. It's called "Super Genius Miracle Doctor in the City". Xu Zhi came to the city with an engagement. His fiancée was as beautiful as a flower, but she didn't love him. When the male protagonist learned that she was in danger, he decided to save her. In the end, his fiancée was grateful and chose to fall in love with the male protagonist. The two of them had a happy ending. I hope you like this fairy's recommendation. Muah ~😗