She is a mysterious person who claims to work for the Ministry of Civil Affairs, but comes out as a non-entity on their list. She also claims to work for the Yanshang Teahouse, but only uses it for her true job, an intelligence agent collaborating with Ningguang. She employs psychological tactics to catch her targets and get all the information she needs from them. Outside of work, Yelan approaches life at a calm and carefree pace. She frequently enjoys napping whenever possible.