Marina Inoue
Two people worked alongside Mayumi during the year. The first was who was the leader of the Disciplinary Committee. Mari has a tomboyish personality but becomes completely feminine in front of her boyfriend, , who is also Erika's next oldest half brother. For combat, she uses a whip like blade and uses magic to manipulate chemicals. Second is , the leader of the Extracurricular Activities Federation. Katsuto is the next head of the Jumonji clan and inherited the clans barrier magic, Phalanx: an impenetrable and perpetual barrier used for defensive and offensive purposes. Both the Saegusa and Jumonji are members of the Ten Master Clans, forcing Mayumi and Katsuto to be politically involved with the magic community outside of school. Mari is voiced by Marina Inoue (Japanese) and Amber Lee Connors (English), Naotsugu is voiced by Susumu Chiba (Japanese), and Katsuto is voiced by Junichi Suwabe (Japanese) and Kaiji Tang (English).