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.
as Mana Aida / Cure Heart (voice)
as Rikka Hishikawa / Cure Diamond (voice)
as Alice Yotsuba / Cure Rosetta (voice)
as Makoto Kenzaki / Cure Sword (voice)
as Aguri Madoka / Cure Ace (voice)
as Lance
as Bebell, Isuzu Bandou
as Sharuru
as Clarinette
as Mannequin Carmine
as Silver Clock
as Marsh
as Rachel
as Davii
as Sōkichi Bandou
as Ryoko Hishikawa
as Yashima
as Ayumi Aida
as Cinema owner
as Seiji Yotsuba
as Sebastian
as Kentarō Aida
as Yūzou Hishikawa
as Nikaidou
as Momota
as Ai (voice)
as Purple Buggy (voice)
as Woman (voice)
