The crisp sound of a lock clicking echoed from outside, the door creaked open, but who walked in surprised Su Qingyu.,And Cheng Rujin still had a two-year-old child by her side. She had never seen this child before, and Cheng Rujin was also unmarried.,Cheng Ruijin's voice was soft, and a clear expression of pride graced her face. She had been waiting for this day for far too long, so long that she had almost lost patience.。