The crisp sound of unlocking came from outside, the door creaked open, but the person who came in surprised Su Qingyu.,And Cheng Ruijin still had a two-year-old child by her side. She had never seen the child before, and Cheng Ruijin was also unmarried.,"Besides being the legitimate daughter of a marquis's household, what do you have that surpasses me If not for my family background, how could I possibly lose to you"。