Sakaguchi-SenseiA Kind Of Character Relationship GraphIn this work, he's just the guy who teaches math.FriendsThe main character of this work, who's always sleepy. Super shy.Evil slit-eyed. His nickname is Slitglasses.Has a sharp tongue, but cares about people. Extremely weak against pushy people.FriendsChairmanFujimi KouKusunoki KozueFriendsLikesHe seems like a good person but that's it.FriendsIn a relationship somehow.Dating her teacherBig eater. Tsukkomi with lots to spare.In a relationshipChildhood friendsNaruse MikiUnohara KotohaSae Shizuka