Unexpectedly, it was Yin Qi again. She took an L-shaped flat long tool out of her bag and lay down flat on the floor.
During this process, because it was too cold, she kept switching hands to prop herself up against the ground.
With that, she slid the flat tool into the gap at the bottom of the door. After fiddling with it for a few moments, a click was heard, and the main building's door swung open.
Chapter 33