The ad Soba e centers on a boy named Osamu who receives an umbrella as a gift from Sayu, but it goes missing. That umbrella transforms into a girl who goes gallivanting around town on a rainy day. (Source: ANN)

The movie transports the Precure into a world inside a picture book, where they are guided by Nico, a mysterious inhabitant of the picture book world.

To teenager Miyuki Hoshizora, fairy tales are a world of wondrous encounters and happy endings. Inspired by her love for these stories, she lives every day searching for happiness. While running late on her first day of school as a transfer student, Miyuki meets Candy—a mysterious fairy from the world of fairy tales, Märchenland. However, when Candy disappears as quickly as she appeared, Miyuki is left believing the encounter was only a dream. After an eventful first day, Miyuki finds a mysterious library at school. While combing through the bookshelves, she is transported next to Candy, who claims to be searching for the so-called legendary warriors, Precure. When forced to protect Candy's and everyone else's happiness, Miyuki transforms into Cure Happy, one of the Precure warriors! As Cure Happy, Miyuki is now tasked with finding the other legendary warriors and protecting the world from destruction, all while possibly discovering her very own happy ending.

In a world inhabited by demons, cyclopes, and other fantastic creatures, humans stand apart as the outcasts. Quick to anger, the human race engaged in a war that all but wiped them out. The few humans that remain are seen as a delicacy, serving no purpose but to be hunted down and eaten. One day, a golem—a wandering protector of nature—encounters a lone human child while patrolling. Inspired by her enthusiasm, he takes the girl, named Somali, under his wing. Together, the duo embarks on a journey to find Somali's parents and bring her home.