Kanata Age

Kanata Age is a young man who lives on the floating wizard academy city of "Mistgun". He was once celebrated as the "Black Master Swordsman," the elite ace of the S128, a special team. However, he is now despised as the "traitor of the special team". One day, he is assigned as the instructor of E601, a team that has suffered 100 consecutive defeats. He's in his second year of regular courses.