C458 Don't leave me behind

At the top of the gallery was supposed to be a line of vents, and the groans and the cries for help seemed to come from above.

Originally, he wanted to go back and call Qing Er, but the moaning sound seemed to be even weaker. He followed the intermittent sounds and found the exact location, but the closest window was still a few metres away.

After a moment's hesitation, he went to the window