C87 Repetitive manipulation

Xia Fu Yu and I stayed in the darkness for an unknown period of time, neither of us speaking. I anxiously waited for Feng Tian Yu and the rest to come and save me, but I didn't hear a single sound.

"Sound... Captain Xia, have you noticed that there's not a single sound? "

This place seemed to be in absolute silence, without any sound at all. In the modern city, no matter where we were locked up