Lan Jian

Jian Lan is a prostitute ghost that works in Ghost City under the name Lan Chang. Jian Lan is a brash, straightforward woman with a crass attitude and even crasser mouth. She is not afraid to strip naked in the middle of a bustling road to attract customers nor is she shy to cuss out the people she dislikes to their face.

(Source: Heaven Official's Blessing Wiki)