Kisaragi Mifuyu

Mifuyu is a refined girl part of the curriculum S in Florence (S for Special); she is very clever but has trouble understanding how to maintain and form relationships. She is the daughter of Kisaragi Kazuhiko. Her family is old and very rich, not to mention Mifuyu knows how to handle a sword. She cares about Yumina quite a lot. She becomes Nue's mother figure after they overcome their differences.