C644 Demon slave auction

I tried all sorts of things, but I couldn't untie my neck.

The two demons guarding the door were just standing there. Logically speaking, the demons were about the same as humans. If they did not change shifts, could it be that they did not sleep? There weren't many windows around, and he couldn't get away. It was going to be difficult.

"Don't waste your time. Even if you can get out of here