Rumia Tingel

Ermiana El Kel Alzano, later renamed Rumia Tingel, is the tritagonist of Akashic Records of Bastard Magic Instructor, including it's light novels, anime and manga. She is one of the daughters of Queen Alicia VII and the former second princess of the Alzano Empire. But later, she was renamed and taken in by the Fibel family after being saved by Glenn.