Ayaka Minami teaches at Shukusei Music Academy and serves as the homeroom instructor for the girls' dormitory residents. She possesses striking violet hair and blue eyes. Shuusaku Itou, the dormitory manager who impersonated an elderly man to secure his position at the academy, specifically targets her. Her duties involve communicating dormitory matters and attending administrative meetings. As part of his blackmail scheme, Shuusaku exploits compromising situations to coerce her sexual submission. This includes repeated phone calls initially framed as dormitory business that escalate into harassment. Her background, personal history, and substantive development across official media adaptations remain undocumented.