This story is about a high school girl, called Miya.She is a girl,who has a mother but no father.She is so common in his class that her teachers can't know her name.All of a sudden, when she is told that she is a princess of another country---the future successor ,she is more than pleased.And then,she becomes a focus in media.However,after all,she was brought up in a poor family,and she has no elegant royal qualities.To train her to own these royal qualities,her grandmother spent great efforts on her .In her training,she would like to give up this position as princess ,so she faces a decision whether to be a princess or not....