The Current Ruler of Inazuma, a former Shirasagi Himegimi and Kamisato Ayato's younger sister. She has a calm, cool, collected, and introverted personality, constantly maintaining an aura of fearlessness. She cares little for the well-being of those around her, and is unflinching in her pursuit of eternity. In spite of her cold and ruthlessness demeanor, she is an honorable warrior who maintains her own set of morals, disciplines and values.