Rumi is tough and always speaks her mind, even if it causes confrontation. As a hero, she proves to be very fearless and independent, freely traversing Japan while bravely facing any villain she comes across. Rumi's Quirk gives her the attributes and abilities of a rabbit. This grants her incredible leg strength, allowing her to jump and kick with extreme force. She also has excellent hearing thanks to her rabbit-like ears and possesses animal instincts that alert her to nearby danger.