Xiao is a famous private detective in Liyue who carries out investigations on behalf of private clients. He is curt, quiet and generally emotionless young man with a strict and vicious approach to his duty as the Head of Private Investigators that make him intimidating and unapproachable. He cares little for niceties or social gatherings and is known throughout Liyue. He has dark medium-length hair with teal undertones, pale skin, golden irises with avian pupils, and red eyeshadow.