"Bang, bang, bang" When it was still dark before dawn, Guo Chengfeng's door was knocked heavily several times. Who is it? Guo Chengfeng conveniently turned on the lamp. It's me There was a deep man's voice outside the door, and then there was a click, and the door had been pushed open. Lao Xiang, why are you back? As soon as Guo Chengfeng looked at the person, the tired look on his face...