Kaoru's younger sister. She has short red hair and red eyes. They both seem confused and do not know many things about the Land of Greenery at first, but they quickly learn.
In episode 23, Michiru and Kaoru use their last power to save their precious friends, Saki and Mai, from Akudaikaan and send them back to their world. However, in episode 42, she and Kaoru return to assist Pretty Cure in defeating Gohyaan.