She's a really busy girl who helps at the festivities. The whole year she organizes and plans all the necessary for it and at the day, helps the delivers and plans too. She's really hardworking and dedicated with a sweet and gentle behavior. Yun is not easy to tease or make her to lose her composture, but it's really easy to see when she's affected since her pale white skin gets reddish really easily and her nose trembles when she's nervous.