C97 Enemy Attack(2)

The library was in the teaching area, so he walked westwards. The distance to the west wasn't that far, and after walking for a while, he reached there as well. The library door was not as grand and magnificent as it looked simple, but when Ma Mingyun gently touched it, he could feel a sense of toughness.

The door had already imperceptibly detected the student card in front of his chest