In the anime, she is the head of the Noble Yuan family and the Lord of Yuan province, she is a proud, spoiled and selfish woman who is always causing trouble for her advisers, Bunshuu and Ganryou. She tries hides her true character from Sousou, whom she sees as a no-good brat.

In the visual novel, she is a proud person who isn't very bright. She is always using money regardless on how much she has on hand. She has a strong hatred for Sousou for a majority of reasons that she herself has. In truth, she is very dependent on Bunshuu and Ganryou and feels alone and scared without them by her side. During the base phase events, the player assumes an omniscient perspective instead of from the perspective of Kazuto due to Enshou never have been captured by the Shoku, and is instead wandering around China with her subordinates. In the remake Shin Koihime Musou, she and her advisors Bunshuu and Ganryou lend their services to the Shu kingdom, though during peacetime she engages in activities that embarrass her advisors and sometimes the Shu kingdom officials as well.