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!.