Pretty Cure! Open My Heart!

Pretty Cure! Open My Heart! (プリキュア！オープン・マイハート！) is the official transformation phrase used by the Cures in Heatcatch Pretty Cure!. To activate the transformation, the girls need their Heart Perfumes (and Shiny Perume) and respective Pretty Cure Seeds/Mascot partners.

Pretty Cure and Mascot partners
Cure Blossom — Chypre Cure Marine — Coffret Cure Sunshine — Potpourri Cure Moonlight — Cologne (former) Cure Flower — Coupe

List of Sequencea and First Appearance
Cure Blossom — Episode 1 Cure Marine — Episode 3 Cure Blossom and Marine — Episode 4 Cure Sunshine — Episode 23 Cure Blossom, Marine, and Sunshine — Episode 25 Cure Moonlight — Episode 1;Episode 33 Cure Flower — Episode 44