Ribbon no Kishi (TV Series)

Princess Sapphire is a princess that has born with a boy's mind and raised as one because of one angel's mistake (kinda mischief) any way there is no way a girl can take the throne so her parents and one maid that has help raised her kept it a secret from every body now the princess is a Knight of Ribbon and she also fight who try to reveal that Sapphire is a girl now helping her an angel that is in fact a play-around angel.....