C115 Cold Frost
Seeing that Ran Xue had already walked to the elevator, Xia Bu didn't have time to think further and quickly followed her.
She followed the frosty Ran Xue into the elevator. Ran Xue took out a magnetic card and swiped it before the elevator door closed automatically. No one else was on the elevator after a while. Xia Bu observed and realized that there was only one button on the floor