This story is all about 9 princesses from the different kingdoms chosen by the fairies in Fairylandia. Nine of them have different powers to save the fairy kingdom from the evil powers of Laverna. They called themselves as "wangbi" or princess and they turned into fairies or "dongha."

Laverna

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Yoona as Rubi (Ruby)

Seohyun as Seoglyuseog (Garnet)

Tiffany as Hwang-og (Topaz)

Yuri as Hwangsujeong (Citrine)

Sunny as Emeladeu (Emerald)

Sooyoung as Nam-og (Aquamarine)

Jessica as Sapaieo (Sapphire)

Hyoyeon as Cheonggeumseog (Lapis Lazuli)

Taeyeon as Jasujeong (Amethyst)

Enchantress