C239 Base Tunnel Authority

The two men glared at each other before walking away.

When they arrived at YO's office, Xiao Qiaoqiao walked to the wall behind the desk first. She raised her hand and knocked on the wall. With a rumbling sound, the wall instantly shrunk and the wall obediently opened up left and right.

The lights on the two sides of the long passageway lit up with a 'kacha' sound