"Marriage" is a book that suits you very well. The main character, Wen Le, is an expert in reasoning. Her hobby is to dissect cases and psychology, and to solve the key to all crimes. At the same time, there are some romantic elements. In addition, I recommend Beibei the Cracking Case. The main character is also a smart and witty female detective. Those who like detective stories and reasoning can give it a try. I hope you like this fairy's recommendation. Muah ~😗