Medhi, whose real name is Airi, is a teenage girl with light blue shoulder-length hair and matching blue eyes, framed by a pale complexion and a prominent bust. Her typical attire consists of a white dress paired with a matching corset, stockings, and boots.

Initially presented as a kind, sweet, and dutiful honor student, Medhi obediently follows her mother's orders, meticulously maintaining a perfect academic image. This compliant exterior masks deep-seated resentment and dissatisfaction toward her overbearing mother, who constantly interferes to ensure Medhi remains the top-ranked student, even resorting to sabotaging others. Medhi privately mutters derogatory remarks about her mother, reflecting her suppressed frustration.

Her background involves enrollment at Lover's Lane Academy, where her mother's controlling behavior intensifies. During a cookery class, her mother uses spells to disguise Medhi's terrible cooking skills, creating a false appearance of competence. Medhi quietly observes Mamako's contrasting, supportive parenting style, finding amusement in her mother's failures when Mamako counters her sabotage spells.

After resolving her maternal conflicts, Medhi's true personality emerges as more playful and mischievous. She openly flirts with Masato and develops a rivalry with fellow mage Wise, frequently claiming superiority in magic and striving to outdo her to gain Masato's attention. Despite her teasing nature, she remains deeply protective of her party, issuing threats to anyone who attacks them.

As a Healer class character, she defies expectations by wielding her staff to deliver respectable melee damage alongside her healing abilities. Her combat style reflects her multifaceted role within the party, balancing support with offensive capability.