Akashic Records of Bastard Magic Instructor

In the "action fantasy" story, Glenn is a part-time teacher at a magic school who is inclined to write "self-study" on the blackboard and then take a nap. One of his students, Sistine, gets angry and challenges him to a duel and he is easily defeated. However, when a terrible incident threatens the school, Glenn shows intense dedication to protecting his students. (Source: Anime News Network)

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