This character is from the otome Wizardess Heart. 

The dorm mother is a smaller extra that is reccurring. The dorm mother pretty much appears at least once in every route. She manages the female student's dorms. She has a twin sister that manages the male student's dorm. The dorm mother acts just like a real mother: kind and caring, but can also be strict when the time is needed. 

Voice: Preferably deep pitched, motherly, caring