Mai-HiME, Busou Shinki Recommendations
About female students/teenagers who have weapons that serve and/or protect them. Can, and are used to fight one another. In Mai-Hime, the weapons are called "Childs" and in Busuo Shinki, the weapons are called "Shinki"
Both called Princess. Hime is in both tittles meaning princess. (In the second half of the kanji word for shinki)