Rinon, the younger sister of Toa, has orange eyes and orange hair cut to her neck, presenting a childlike appearance. Alternate sources depict her with long pink hair and a large flower-shaped hair clip. She is kind and good-natured, displaying a maturity and levelheadedness that surpasses her older sister's. Adaptive and compassionate, she often prioritizes others' needs. Despite her intelligence and resourcefulness in devising creative solutions, she struggles with low self-esteem and frequently questions her own worth and abilities. Demonstrating significant talent from a young age, she learned the common language by four years old and is generally capable of self-care. She is also a skilled fighter, particularly adept with a sword. Hailing from the Holy Kingdom of Limia, she initially lived a sheltered life before joining a Labyrinth Exploration Party. Through her adventures and confrontations, she develops close relationships with other party members, especially the main protagonist, Makoto Misumi. She becomes one of the few individuals who can understand his unique abilities, assisting him in navigating the world. These experiences contribute to her personal growth as she overcomes her insecurities and gains confidence in her skills and contributions to the group.