Join Komugi in Animal Town, where people and animals live together, and help them face off against all those who dare disturb the peace by transforming into one of the 21st Precure!.

Animal Town is a town where animals and people live together. Iroha loves animals and is good friends with her dog, Komugi!. One day, a mysterious monster, Garugaru wreaks havoc in the town!. However, in order to protect Iroha, Komugi transformed into a human and became a Pretty Cure...!? Komugi has to save the child animal whose heart is being garugaru-ed...!. Let's join forces and return the animals to the Niko Garden!.