Kiryuu Kaoru (霧生薫) was a member of the Dark Fall. She had long blue hair, and she worked with Michiru as a pair. However they posed as junior high school students so they can try to get more information about the PreCure girls.

Kaoru first appeared in episode 14, and died in episode 23. At first Michiru and Kaoru fought against the PreCure, but at the end they became friends. So Akudaikaan killed them. But Michiru and Kaoru got resurrected in episode 42.