As a major and instructor, Cynthia is hardened and demanding, pushing her recruits to their limits. However, as the player progresses, she reveals a softer side, transforming into a tsundere character who falls in love with the protagonist's success. She can be optimistic, yet strict, and her dialogue often reflects her conflicted emotions. When not in a romantic context, she maintains her professional demeanor. Cynthia has a strong sense of discipline and expects perfection from herself.