The Fairy Knight Lives with Old Rules , Furuki Okite no Mahou Kishi ,古き掟の魔法騎士 Sid Brice, the most powerful knight of the Age of Legends and also known as “the barbarian”. After being resurrected by the young “prince” of Calvania, he is assigned as an instructor at the school of magical knights. From four classrooms that inherited the ideology of the founder’s knight, he was assigned to a class of failures that strangely bears his own name…. “You have no shame as knights, do you? Drop your swords.” The strongest knight is a barbarian. The new “instructor” series begins!