Teresa Lady, born in 1838, is a 15-year-old student at the Alzano Imperial Magic Academy assigned to Class 2. She holds the Unde mage ranking (Rank 1) and serves as heir to the noble Lady family, balancing her academic duties with her hereditary role. Her appearance features purple hair and green eyes, complemented by the academy's standard uniform. Teresa enrolled on April 4, 1852, as a first-year student and advanced to her second year in Class 2. On December 24, 1852, she participated in a surprise birthday party for Sistine Fibel, organized by Rumia Tingel and fellow Class 2 students.