C170

Meng Fan's unusual action naturally attracted the attention of Liu Xu and the others. Before they could react, Meng Fan had already rushed out of the door.

Grabbing a bag about the size of a fist, Meng Fan's expression was extremely serious. As soon as he entered the corridor outside, he ran as fast as he could to the window, where he punched it with his fist.

"Bam!"

After a crisp sound