Kaoruko Hanasaki is Tsubomi Hanasaki's grandmother, and mother of Hanasaki Youichi in Heartcatch Precure!. She is a famous botanist, and owner of Hanasaki Botanical Garden. She is an elderly woman with wrinkles around the face and long, wavy brown hair with gentle red eyes and usually wears a dark green turtleneck dress beneath a light red, long-sleeved top and a white lab-coat, wears tights, dark brown shoes, and a necklace with a red and gold ornament. She is 67 years old and wise and kind.