Kaoruko Hanasaki, also known as Cure Flower, is a major supporting character in HeartCatch PreCure!. She is Tsubomi Hanasaki's grandmother and a legendary former Pretty Cure who fought in the past against the Desert Apostles. Wise, graceful, and powerful, she serves as a mentor and guide to the current Cures, offering them encouragement, training, and emotional support. As Cure Flower, she represents maturity, strength, and the enduring spirit of hope and protection across generations.