A crisp click of a lock followed by the slow creaking open of the door surprised Su Qingyu with who walked in.,The Shen family's prestige is beyond what a lowly criminal's descendant like Cheng Ruijin could ever aspire to. Let alone becoming the main wife, even as a concubine, she wouldn't be qualified.,Su Qingyu looked coldly at Cheng Ruijin and asked, "When did you two start"。