C332 He Refused to Eat

The guard at the door almost thought he had seen a ghost. Isn't this guy's movement technique a bit too good? In the blink of an eye, the person had disappeared?

"Mistress." Before the guard could go in and report to Nan Ang, the man who came in from the door had already drifted into Nan Ang's study with the wind. Even the guard felt that it was just a gust of wind