Marga is a non-magician, known as a Goi, originally from the 5th Level Authorization District of the magical nation of Magnostadt. She was rescued from that harsh environment by Titus Alexius, a young magician, and subsequently forged a deep and special bond with him. After her rescue, she began living with Titus in the Reim Empire. Marga is characterized by a profound sense of gratitude for the kindness she has received and a strong desire to repay that debt. She displays a maturity and understanding that belies her age, often acting in a levelheaded and perceptive manner. Her primary role in the story is as a supporting character closely tied to Titus, and her development revolves around her adjustment to life outside the oppressive districts of Magnostadt and her unwavering loyalty to the person who saved her. Details about her abilities are not elaborated upon in the series, but her defining traits are her emotional strength and her dedication to those she cares for.