Hibiki Houjou and Kanade Minamino are chosen as the new Pretty Cure after Mephisto, the king of Minor Land, steals the Legendary Score that holds the Melody of Happiness and plots to spread the Melody of Unhappiness instead. The score's notes have scattered into the human world, and the fairy Hummy comes to Kanon Town to find them, drawing both girls into the search. Together they set out to gather the notes before Mephisto's forces can twist them. This Precure Collection edition gathers the manga adaptation of the anime series in a single volume.