C5776 Dive in

Zhang Xingyun casually took it and waved to the security guards, then put on his badge.

Every floor of these office buildings had a camera. Zhang Xingyun used his perception to avoid it and eventually arrived at the door of Xu Tiancheng's office smoothly.

However, just as he pushed open the door and entered, he heard some noises coming from inside. Hmm, they seemed to be very stimulating