A well-known legal adviser active in Liyue Harbor. A brilliant young lady who is half-adeptus. She is very active and often talks a lot. Yanfei enjoys appraisal, reading and is very knowledgeable on many topics, most notably the law, due to her career. With a strong sense of justice, Yanfei does not mind traveling to help her clients should they have trouble in different parts of Liyue. Despite her playful nature, Yanfei takes her job seriously and practically.