Tsubasa Sakurai

One day, Mana Aida receives a wedding dress from her mother and grandmother that they had worn in the past. While thinking about who she would wear this beside someday, a mysterious man named Marsh appears, and Mana is thrown back into the past. She was happy to see her grandmother she loved and her old dog Maro, but she then realizes that Alice and Rikka aren't there because memories have been altered. In order to save precious memories, the future, dreams and hope, Mana transforms into Cure Heart.

Chihaya Ayase has spent most of her life supporting her sister’s model career. When she meets a boy named Arata Wataya, he thinks Chihaya has potential to become a great karuta player. As Chihaya dreams of becoming Japan's best karuta player, she is soon separated from her karuta playing friends. Now in high school, Chihaya still plays karuta in the hope that she will one day meet her friends again.

Chihaya Ayase has spent most of her life supporting her sister’s model career. When she meets a boy named Arata Wataya, he thinks Chihaya has potential to become a great karuta player. As Chihaya dreams of becoming Japan's best karuta player, she is soon separated from her karuta playing friends. Now in high school, Chihaya still plays karuta in the hope that she will one day meet her friends again.

Thanks to Sharuru, a fairy from the Trump Kingdom, and the power of mysterious accessories called Cure Lovies, Mana transforms into Cure Heart! Mana, her close friend Rikka, her high-class childhood friend Alice, and the enigmatic, cool super idol singer Makoto all become legendary saviors. Together, they purify the Jikochu, who have forgotten about love!