Pretty Cure! Heart Color Open!

'''Pretty Cure! Heart Color Open! '''is transformation phrase used in Rainbow Crystal Pretty Cure! by Hanako Akari, Kato Akemi, Hikari Hoshiko, Midori Ito, Mizuno Aoi, Kurosawa Indigo and Takahashi Violet to transform in pretty cure. To activate transformation they need their Stardust Brooch and have to be with they partner fairy, because she has to send fairy dust to Stardust Brooch.