C530
Gu Yu looked around the corridor and saw that the lights in the houses next to them were all dark. It was not until she reached the end of the fence that she saw light and voices in the half-open door.
As soon as she reached the door, she smelled smoke and gave a sensitive cough.
At this moment, Yang Tianhu stuck his head out and said in a reserved manner, "You're here!"
Gu Yu nodded