Akashic Records of Bastard Magic Instructor

Akashic Records of Bastard Magic Instructor summary: Sisti enrolls in a magical academy to polish her magical abilities and uncover the secrets of the mysterious Sky Castle. Her beloved teacher retires, only to be replaced by Glen, a lackadaisical, sluggish, seemingly inept instructor. Sisti wonders how the academy's top magician handpicked Glen for the role.