Kirika Karasuma

Kirika is Kirio's twin sister and disguises herself as a boy in order to help her brother out. She tansforms in to the goddess Nyx and guards the other Himeka (the Himeka that is under the protection of the Karasumas.) Kirika has her first appearance in episode one as the goddess, Nyx. Karin then sees Kirika at school as one of the student council members and falls in love with Kirika, her "prince charming". However, Kirika is forced by her brother to take Karin's ring, and her identity is revealed.