You and Idol Precure ♪

One day, Uta and her friends find themselves invited to perform at the "Super Miracle Idol Festival," the universe's greatest idol festival held on the mysterious Aiai Island, by the coral fairy Tot. Suddenly, a mysterious monster appears, plunging the island and the world into a major crisis, and Uta and her friends are sent flying back in time. The key to overcoming this crisis lay hidden with the island's legendary goddess and with Tera, a mysterious idol-hating girl they meet on the island. Last but not least, the Hirogaru Sky! Precure and the Wonderful Precure also make their appearance! As they sing, dance and deliver fan-service, a kirakilala live for YOU begins!

Aida Mana is a girl who is always eager to do things for the sake of others. One day, when she was visiting the Clover Tower during her school's orientation program, an enemy who called themselves "Selfish" appeared suddenly, and tried to manipulate her inner heart! To fight this enemy, she borrowed power from a magical fairy Sharuru to transform into Pretty Cure! To protect the peace of the world, other legendary Pretty Cure soon joined her in battle! A mysterious baby also appears, making each day a "Heartthrob" experience! The 4 Cures, always holding "love" in their hearts, are battling for the world's fate!

Mirai Asahina, a 13-year-old girl who's going into her second year of middle school, witnesses a mysterious object fall in to the park. Excitedly, she brings her stuffed bear Mofurun with her to see what it was. When she gets there she sees a girl named Riko flying on a broom. Mirai has a lot of questions, and Riko explains that she's searching for something. The two of them are wearing similar pendants. Then Batti, an ally of the dark magic user Dokurokushi, appears before them and demands the "Link Stone Emerald." Batti creates a monster called a "Yokubaru" and drives them into a corner. Mirai, Riko, and Mofurun join hands and speak the magic words "Cure-Up Rapapa," their pendants glow, and they become the legendary Precure.

Ichika Usami is a second-year middle school student who loves sweets, but struggles to bake. One day, she encounters a fairy named Pekorin, who is able to detect "Kirakiraru", an element residing in sweets. However, an evil fairy starts to steal the Kirakiraru for themselves, leaving the sweets black and lifeless. Determined to protect the sweets, Ichika gains the power of the Legendary Patisserie and transforms into the Pretty Cure, Cure Whip, to protect the Kirakiraru.