Mama is the LRIG, or card spirit, of the young Selector Rio Koshiba in Lostorage incited WIXOSS. She was created from Rio's memories of her deceased mother, making her a living embodiment of Rio's longing for a maternal figure. Physically, Mama resembles the ideal image of a mother. She has pink shoulder-length hair, blue or green eyes, and wears a green flowery dress. Her appearance is gentle and nurturing, matching the personality she displays toward her Selector. Mama acts very kind and caring, offering comfort and support, but she can also become quite strict when the situation calls for it, much like a real mother would discipline a child. This duality reflects both the warmth and the firm guidance that Rio associated with her own mother. Mama's primary motivation is closely tied to Rio's deepest wish. Rio, an elementary school student, lost her mother in the third grade. Her desire as a Selector is to erase the memory of her mother's death so that she can see her mother again. Mama, as a construct of those cherished memories, exists to help Rio achieve that goal, and she guides Rio through the Selector Battles with a motherly sense of protection. In the story, Mama serves as Rio's partner and companion. Rio battles and loses to the main character Chinatsu Morikawa in episode two, which sets Rio on a path of struggle within the competitive battle system. Mama's role is primarily defined by her relationship with Rio. She is a direct reflection of Rio's emotional state and past trauma, and their bond is the most important relationship for both characters. Mama interacts with other characters primarily through Rio's battles, notably against Chinatsu. Over the course of the series, Mama's character does not undergo significant independent development; her arc is tied to Rio's growth as Rio comes to terms with her mother's death and the reality of her wish. As an LRIG, Mama's notable abilities are tied to her function within the WIXOSS card game. She fights alongside Rio in card battles, but her true significance lies in her symbolic and emotional role as a manifestation of Rio's memory and grief. She represents the comfort and authority of a mother, and her very existence is a focal point for Rio's struggle between holding onto the past and facing the present.