A crisp click of the lock echoed from outside, followed by the slow creak of the door opening. But the person who entered was unexpected to Su Qingyu.,The Shen family's status is far too high for someone like Cheng Ruijin, a descendant of a criminal, to even aspire to. Let alone becoming the main wife, even as a concubine, Cheng Ruijin wouldn't be qualified.,Su Qingyu's heart sank, and she asked, "What do you want to do"。