The crisp sound of unlocking came from outside, the door creaked open, but the person who entered surprised Su Qingyu.,Cheng Ruijin, upon hearing this, not only wasn't angry but burst into laughter several times. Then, gritting his teeth, he said, "I naturally have my own way, but in a while, it will be hard work for elder sister. Don't scream too loudly.",You have nothing on me besides being the daughter of a marquis's family. If it weren't for your family background, how could I possibly lose to you。