Rudori Zagan is the main female protagonist of Highschool ExC. She is a Devil from the Zagan clan, a small family of pure-blooded Devils composing of only she and her mother, as well as their loyal servants. She is known by her alias Jade-haired Witch Princess due to the flashy witch outfit she wears, inherited from her mother. She is a third-year student at Kuoh Academy and is the President of the Scientific Research club which was almost disbanded due to lack of members until Hiro came along.