Miruko is tough, confident, and always speaks her mind, even if it causes confrontation, and she respects those who do the same. Miruko seems to believe that heroes who join teams are cowards, as they could just be relying on their teammate's strength rather than their own. As a hero, she proves to be very fearless and independent, despite her brash demeanor, Rumi isn't above assisting others, she likes to take charge, she is a rather dominating force, and assertive to people she likes.