Kuusen Madoushi Kouhosei no Kyoukan

Humanity has retreated to floating cities, defended by aerial wizards against armored insects. In the academy city of Mistgun, Kanata Age is assigned to train a struggling three-girl squad despite the accusation of betrayal that ruined his reputation as an elite fighter.

His students distrust their new instructor and have weaknesses that keep them from functioning as a team. Kanata's unconventional methods challenge both their habits and their assumptions about him. Turning repeated failure into cooperation becomes essential when the danger extends beyond practice battles.