Sometimes. [ he pauses, thoughtful. ] It's common for ghosts to want to hide their appearances, out of shame or other feelings. Occasionally they will have wounds they want to cover, or demons or ghosts may have more unnatural features that are hidden as well. It's also a way for humans --or Heavenly Officials--to blend in, so they can enjoy the services the city has to offer without being known.

[ ...of course, it goes without saying, that yin yu and hua cheng both always know exactly when someone new enters the ghost city, but that's besides the point. ] My own offers a sense of anonymity, in some ways, but more so, it is a recognizable feature. The ghosts of the city know the Xian Xian Yue officer as the second in service of Hua Chengzhu, and therefore, know what I do or say to be his word.