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Sakura Kurumi, Erika's mother, is preparing for a fashion show in Paris. The girls of the school's fashion club are going to model there, including some high school students. While in Paris, they meet a mysterious boy named Oliver. However, Baron Salamander of the Desert Apostles appears, and the girls transform into Pretty Cures to defend Paris.

Tsubomi Hanasaki is a 2nd year middle school student who loves flowers and plants. One day, she dreams of a mysterious flowering tree that wilted, causing the sprites to disappear. When she transfers to Myodou Academy[note 1], the sprites that she saw in that dream appeared before her. The sprites begged Tsubomi to become Pretty Cure to protect the Great Tree, but she refuses. However, a sudden attack from a mysterious enemy came, and the Heart Seed of her new classmate, Erika Kurumi, is stolen. To save Erika’s heart, she had no choice but to become a Pretty Cure and fight.