Iona is a compassionate and just person who helps the weak with gentleness. As a Cure, she possesses a strong sense of duty and exceptional combat abilities, enabling her to single-handedly defeat the Saiarks one by one. She is a serious, cool, capable girl who holds herself and others to high standards. Although she excels academically, she can be a bit of a perfectionist and reluctant to seek help from others, leading to occasional carelessness. Iona also has a stubborn nature and a dislike for losing, rarely displaying laughter.