Please recommend a novel in which the male protagonist's surname is Xianyu, the female protagonist's surname is Tang, and the female protagonist calls the male protagonist "salted fish"?

The male protagonist's surname is Xianyu, the female protagonist's surname is Tang, and the female protagonist calls the male protagonist Salted Fish. The female protagonist comes to a strange city alone and her money is stolen. The male protagonist splashes his car all over the female protagonist, so the female protagonist clings to the male protagonist and goes home with him. The female protagonist thinks that the male protagonist is gay and even bathes him. The male protagonist raises the female protagonist like a kitten.