Tsuchimikado

could refer to either:
 * Tsuchimikado Maika: Student of Ryouran Maid School and step sister of Tsuchimikado Motoharu.
 * Tsuchimikado Motoharu: Student of A Certain High School, Magician of Necessarius, and step brother of Tsuchimikado Maika.
 * Tsuchimikado Bishu: Magician of Necessarius
 * Tsuchimikado Touzu: Magician of Necessarius