Tsukimichi: Moonlit Fantasy Vol. 6 (Light Novel)

In Vol. 6, after enrolling at the academy in Rotsgard, Makoto somehow becomes a teacher instead of a student. At first, he is disliked by his students due to his hard lectures that focus on combat, a subject that is new to the school’s curriculum. But in the end, his students warm up to him, and he’s even asked by his students to forgo his summer vacation in order to train them for the upcoming school festival!
Notice: This book is written in Japanese.