The crisp sound of unlocking came from outside, the door creaked open, but the person who entered surprised Su Qingyu.,Cheng Ruijin's voice was soft, but her face wore a distinct look of pride. She had waited for this day for far too long, so long that she was almost losing patience.,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。