After saving a skilled swordsman, Theodore McFarlane invites Nanao Hibiya to join Kimberly Magic Academy, where she gains instant fame for rescuing a student. Alongside troubled leader Oliver Horn, Nanao and her friends navigate the treacherous path of magical training at Kimberly, a place where only the strongest students survive. As they confront the perils within the academy, including a harrowing brush with death in the labyrinth, Nanao is forced to confront her dark past. Through unity and determination, the inexperienced group strives to unravel the secrets lurking within the academy while fighting to stay alive.