The Royal Biblia Academy is a secret organization that trains mages, and is one of the Three Great Magical Academies. The academy receive
donations from governments of various countries, and mages investigate unresolved problems and mysterious incidents that they believe to be magic-related in absolute secrecy. They are called magus.
Once one becomes a mage of the school, the school will pay one depending on the cases one has solved. But the mages need to buy magic tools and catalysts for their research with that money, so it dries up pretty quickly.
The school has a largely female student body due to how Mages are dominantly female, however, it is home to one male Paladin, the principle, and one male Magic King, Arata Kusaga, alongside the Trinity Seven for whom the academy is famous.