Park Young-shil's daughter, Min-seo has lived an extraordinary life. She is the most beautiful girl in the whole kingdom. She is bestfriends with Han-seong and Yeo-wool. Unlike her Step-brother, Ban-ryu she is kind, loving and really nice. She is also friends with Soo-ho aka Mr Play boy. When she notices hwarang, she jumps to the chance to become a warrior she always dreamed about.