Haruna Kisaragi 如月春菜
Yui's best friend. She has a polite, calm, and caring personality.Her intelligence and innate ability with computers makes her a perfect candidate for Corrector, as expected by Dr. Inukai.From the beginning she was supposed to be a Corrector, but I.R. confused her with Yui, thanks to Grosser's intervention.
Curiously, she can use Element Suits more effectively than Yui.