A crisp click of the lock echoed from outside, the door creaked open slowly, but the person who entered surprised Su Qingyu.,The visitor is Su Qingyu's distant cousin, Cheng Ruijin. Cheng Ruijin's mother is her aunt, and the two of them have been living with the Su family.,Besides being the daughter of a marquis's house, what makes you better than me If not for my family background, how could I possibly lose to you。