Aether Magic Academy A school that trains magic users. The campus features various facilities such as an arena, cafeteria, pool, and dormitories. At this academy, students are ranked by strength, with the ranks S, A, B, C, and D in that order. Dormitories differ by rank, becoming more luxurious the higher the rank. Currently, Ria is the sole S-rank student. To raise one's rank, a student must duel someone of a higher rank. Challenging someone of a lower rank to a duel is not permitted. In a duel, anything goes as long as you don't kill your opponent. A match is decided by incapacitating the opponent or forcing them to surrender. you has transferred into Aether Magic Academy