The crisp sound of a lock being picked echoed from outside, the door creaked open, but the person who entered surprised Su Qingyu.,Cheng Ruijin walked step by step to Su Qingyu's side, his voice gloomy: "Cousin, he's not unable to, it's that he can't face you.","Besides being the daughter of a marquis's household, what makes you superior to me If not for my family background holding me back, how could I possibly lose to you"。