Minka is a 13-year-old resident of Neutral City with neck-length orange hair and green eyes. Her father is Hajan, and she has an older brother named Cain. She serves at a local cafeteria, her bright and energetic nature making her popular within the community.

She shares a deep childhood friendship with Agito that evolves into romantic feelings. These feelings create inner conflict when Toola, a girl arriving from the past, forms her own connection with Agito. Toola's presence complicates Minka's established relationship, leading to emotional turmoil.

Minka's role involves her interactions in Neutral City and her relationships with Cain and Agito. She witnesses significant events, including Agito's transformation after accepting genetic enhancement from the Forest, which turns his hair silver. Her personal story includes moments of sorrow.

Her character arc focuses on navigating her feelings for Agito amidst changing dynamics triggered by Toola's arrival and the escalating conflict between Neutral City, the Forest, and Ragna. She remains part of the Neutral City community throughout the events surrounding the activation and destruction of the E.S.T.O.C. system.