Kaoru Kiryuu (霧生薫, Kiryū Kaoru?)
Voiced by: Yuka Imai, Akemi Okamura
A mysterious girl who meets Saki and Mai at The Sky Tree in episode 14. She seems cold and rude. Kaoru is always with her younger sister, Michiru. They are later revealed to be part of the Dark Fall. Their duty is to guard the Fountain of Sky. They pretend to be transfer students of Yuunagi Junior High School in order to gather information about Pretty Cure. Kaoru has long blue hair and blue eyes. Kaoru and Michiru sacrifice their lives to protect Saki and Mai in episode 23. Later, in episode 42, they are revived by remnant powers from the Fairy Carafe and return to assist Pretty Cure in defeating the Dark Fall and Gooyan.