Cure Black is the magical warrior alter ego of Nagisa Misumi, one of the two original heroines in Futari wa Pretty Cure. She is energetic, outspoken, athletic, and impulsive, often acting as the more aggressive half of the duo. As Cure Black, she fights alongside Cure White to protect the world from evil forces threatening peace and happiness. Her role in the series is central, serving as a main protagonist and a symbol of courage, friendship, and teamwork.