The ruler of the evil Phantom Empire, Queen Mirage is invading Earth with her 'Terribad' army! Shirayuki Hime, a princess from the fallen Blue Sky Kingdom, joins the fight as Cure Princess, but always finds herself running away scared. After being given a crystal by the spirit of Earth, Blue; Hime travels to the city of Pikarigaoka to use it in search of a partner. Aino Megumi, a kind-hearted girl always helping others, is recruited by Hime to fight by her side as Cure Lovely. Using the power of the PreCards and their changing forms, they form the duo HappinessCharge Precure!