The story begins when Hana, Saaya, and Homare from Hugtto! PreCure take Hagutan out for her flower garden debut. All of a sudden, the monster Usobaakka appears. He attempts to change the world into the one filled with lies and kidnaps Saaya and Homare. Hana learns the girls of Maho Girls PreCure! and Kirakira PreCure a la Mode are also his targets...