Kaori Kato

The mysterious, delicious world of CooKingdom, which rules over all the cuisine in this world. CooKingdom has closely guarded the Recipe-Bon, in which it's written how to prepare any dish. But, oh no! One day, it gets stolen by the Bundoru Gang! The Bundoru Gang plans to monopolize everything for themselves, and their next target is the Cuisine Fairy Recipeppi... The Energy Fairies have come to Oishi-Na Town in the human world in search of the Recipe-Bon. With their help, an unexpected turn of events leads to three ordinary girls transforming into Pretty Cures!

Manatsu Natsuumi is a first-year junior high school student born and raised on a small island. On the day she moves from the island, She meets Laura, a mermaid girl who has come to the earth alone in search of the legendary warrior, PreCure. Laura's hometown, Grand Ocean, is attacked by a witch who lives in the dark depths of the ocean, and all of their motivational power is taken away. It is said that if the motivational power of humans is also taken away, the world will be in deep trouble. Laura is captured by the witch's servant, and Manatsu transforms into Cure Summer to save her.