She is the first commoner to enroll in magic school in over 100 years and possesses the rarest type of magic: light magic. She is the heroine of the otome game "Fortune Lover," the universe that they are currently in.
Due to differences in class, she is bullied heavily. Originally, she would be saved by the love interests, but Katarina instead takes on the role of protecting and befriending her. She loves to bake and Katarina encourages her to do so.