Mana Aida is a normal, young girl, who just so happens to meet a fairy from the Trump Kingdom, a place that is under attack. When a monster called a Jikochuu is spawned, Mana transforms into the Pretty Cure warrior known as Cure Heart! Now, with two of her friends, along with an idol she admires and a mysterious Cure, Mana will defend the Earth and restore peace to the Trump Kingdom.
Listen to the heartbeat of love! Doki Doki! Pretty Cure!
Hibike ai no kodō! DokiDoki! Purikyua!
- Mana Aida -- The lead Cure of the team; she transforms into Cure Heart, represented by the heart.
- Rikka Hishikawa -- One of the Cures; she transforms into Cure Diamond, represented by the diamond.
- Alice Yotsuba -- One of the Pretty Cures; she transforms into Cure Rosetta, represented by the clover.
- Makoto Kenzaki -- A Cure from the Trump Kingdom, she transforms into Cure Sword, represented by the spade.
- Aguri Madoka