Haruka Miku

She is Kanata's mother and the homeroom teacher. She is a very busy person, to the point that even her husband runs away from her on a regular basis. It's not that the couple doesn't get along well, however, she does what a teacher is supposed to do, and the girls trust her. She is a former classmate of Tokoyo's father, and whenever she tries to talk about her embarrassing memories of her youth, she blames him.