A crisp click of a lock followed by the slow creaking open of the door surprised Su Qingyu with who walked in.,Cheng Ruijin's voice was soft, but her face held a distinct air of triumph. She had waited for this day for far too long, so long that she was almost losing patience.,She had been married to Shen Zhao for three years without consummating the marriage. Shen Zhao's reason was that he "wasn't capable" on that front. She, alone, bore the pressure from the Shen family and secretly studied pharmacology. Since Shen Zhao didn't even have a concubine, she never suspected anything and instead cared for him everywhere, afraid that he would feel inferior and depressed.。