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Sonia is a cheerful and polite girl with a great interest in Japanese culture. Sonia is very kind and thoughtful, and she cares deeply for her friends, being very protective to those she holds a deep connection to. Because of her upbringing, Sonia can be rather naïve and her general behavior can make her appear a bit ditzy at times, but she is actually smart and capable of complex political analysis, and reveals in her Free Time Events that she has faced many dangerous and stressful situations due to her status as a princess, and she is even skilled and fearless in combat.