The crisp sound of a lock opening echoed from outside, the door creaked open slowly, but the person who entered surprised Su Qingyu.,Cheng Ruijin's voice was soft, but her face held a clear expression of satisfaction. She had been waiting for this day for so long, it felt like she was running out of patience.,Su Qingyu glared coldly at Cheng Rujin and asked, "When did you two start"。