Lynn Titis is a 15-year-old female student born in 1838. She attends Alzano Imperial Magic Academy as a member of Year 2, Class 2 and is heir to the Titis Family. She possesses dark brown hair, typically tied in a ponytail with straight hime cut bangs and fringes framing her face, and brown eyes. Lynn wears the standard academy uniform.

Within the academy's ranking system, Lynn holds the official mage rank of Unde (Rank 1). She serves as the Class Representative for the specialized magical discipline of Transformation Duel. Lynn sees transmutation as her chance "to become someone else," reflecting a personal approach to this magic. She also joins the significant Taum Expedition, participating in activities alongside other students and faculty beyond regular coursework.