What novel is Shen's missing daughter from childhood?

The Home of the Richest Man Found Me is an urban novel, which tells the story that the heroine Cheng Xin disappeared from childhood and was adopted by the richest man, Shen Jia. Many years later, she accidentally learned that she was not Shen Jia's daughter, so she began to look for her true life story, and in the process, she got to know the protagonist Luo Fang. Finally, they solved the mystery of Cheng Xin's life story together.