A math teacher.
|Hair color||Gray, black|
|Anime debut||Episode 1|
|Manga debut||Chapter 1|
Jun Inoue has black hair and eyes and is usually seen wearing a white shirt, a red tie with slanted horizontal stripes along with his black pants.
Jun Inoue is generally a very caring teacher towards his students. He is able to sense when students are in need of assistance, whether academically or otherwise.
Jun Inoue worries about his worst student, Yuuki Hase, because of his failing grades early in the year. He tries helping Yuuki raise his grades by striking small deals with him and the rest of the failing students in the class.
Jun Inoue is very caring towards Kaori, as seen when he offered keys to the roof in exchange for her helping out with writing down problems on the board.