Ashley originates from Dordtgard's knightly lineage, approaching her witch training as essential preparation for knighthood, a path chosen based on her father's advice that strength alone is insufficient. Rigorous martial training shaped her disciplined and earnest character, often setting her apart from more carefree peers. Her mother's seamstress work fostered a love for crafting, including embroidery, knitting, and designing Western-style clothing. This passion leads her to secretly join her academy's craftmaking club, where she creates stuffed toys and costumes for her unit, LiGHTs, despite her own reluctance to wear such outfits.

She stands 163 cm tall with purple eyes and matching long hair, usually tied in a ponytail secured by a black bow. Her fair skin complements her standard uniform, white socks, and black Mary Jane shoes. In combat, she demonstrates skill in Gardtland sword martial arts and practical magic, utilizing thought acceleration and metal hardening. Her capabilities include incapacitating trained guards with precise strikes and deflecting magical assaults using everyday objects, such as countering a whip attack with a vase holder.

Within LiGHTs, she is Lavie's roommate; their opposing personalities spark frequent disagreements, yet they share a resilient bond where Ashley motivates Lavie or curbs impulsive ideas. She occasionally teases Rosetta about her affections for Tiara but can display denseness regarding social subtleties, misunderstanding playful banter. Ashley possesses acute recognition of noble lineages, a skill that nearly exposed Tiara's concealed royal identity.

She harbors a fear of heights, particularly evident during aerial travel, and values punctuality. Her birthday is February 9th, and her blood type is O.