A crisp click of unlocking echoed from outside, the door creaked open slowly, but the person who entered was unexpected to Su Qingyu.,Cheng Ruijin, upon hearing this, not only did not become 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 loud.”,"Besides being born the legitimate daughter of a marquis's household, what do you have that surpasses me If not for my family's burdens, how could I possibly lose to you"。