As Blue, Mirage, and PhanPhan watch from the Pikari Shrine, the Pretty Cures attempt to make their way to the red planet when Seiji appears and attacks them. The others attempt to remind Seiji of who he is to create an opportunity for Megumi to reach him, the two crash landing on the red planet, Red points that the only way for it to be removed from Seiji is either his death or Megumi's. Megumi tells Red that she has come to understand Seiji's feelings, strengthening her resolve to convey her feelings to him in a one-on-one battle. Breaking through Seiji's attacks, Megumi confesses her gratitude and love for Seiji while reaching his true feelings. This allows the Cures to destroy Red's crystal and purify Seiji back to his normal self. Shocked by this turn of events, Red is furthered angered by Blue and Megumi saying that love can overcome hatred as he resolves to personally destroy everything.
The ruler of the evil Phantom Empire, Queen Mirage, begins her invasion on Earth using an army of Choiarks and powerful monsters called Saiarks. All across the world, Pretty Cures are dispatched to fight against the Phantom Empire threat. Hime Shirayuki, a princess from the Blue Sky Kingdom, which was taken over by the Phantom Empire, joins the fight as a Pretty Cure named Cure Princess, but always finds herself running away scared. Given a Crystal of Love by the Spirit of Earth, Blue, and told to seek out a partner to fight alongside her, Hime goes to the city of Pikarigaoka and randomly throw the crystal in the air, deciding to partner up with whoever it lands upon. This person turns out to be Megumi Aino, a kind-hearted girl always looking to help others, who is recruited by Hime to fight by her side as Cure Lovely.
