Momona is a normal middle school girl who is longing to see her older nephew getting married. In a unexpected twist during his wedding day, she got transported to a new place called Jewel Land where she saw a lot of girls being mysteriously brought in. She then met a white rabbit called Ruby, a Jewelpet who chose Momona to become a Lady Jewel Candidate alongside other girls in hopes to become a Lady Jewel, the highest ranked lady in Jewel Land. Momona herself hesitantly accepts the offer and she and Ruby decides to work together in order to achieve her goal. But standing in their way is both Lillian and her Jewelpet partner, Ruua who also wants the said title.

Source: ANN

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Prequel: Jewelpet Happiness
Sequel: Jewelpet: Magical Change