In 2008, when asked about a Monaco character, she was described as being "more than healthy/energetic" and Hidekaz Himaruya suggested that a more leisurely, optimistic, but refined in some respects sort of feeling would be good for her character. In her official profile, she is portrayed as a proud girl who gives off a stylish impression. She speaks like an older man in certain aspects and possesses great intelligence, which has protected her country to this day. While she may worry about various things and constantly think about economic matters while gazing at the sky, when you speak with her, she is surprisingly calm and sociable. Despite appearing stern, she is an optimist at heart and enjoys ballet as a hobby. Her volume 4 profile states that she believes in behaving cleverly and is against eating tuna. She is known for her beautifully structured casino, which she cannot enter due to legal restrictions. Instead, she focuses on tourism, interior design, and cosmetics. Despite being prohibited from entering the casino, she has displayed confidence in her skills as a gambler and bets on poker with Seborga. Additionally, she owns a Japanese-style garden near the casino.