The crisp sound of a lock being picked echoed from outside, the door creaked open, but the person who entered surprised Su Qingyu.,The visitor is Su Qingyu's distant cousin, Cheng Ruijin. Cheng Ruijin's mother is her aunt by marriage, and the two have been living at Su's house.,As soon as the voice fell, Shen Zhao walked in from outside, followed by a middle-aged man.。