Trope trivia
- First Appearance: Of Hibiki, Kanade, Hummy, Siren, and Waon.
- You Look Familiar:
- Waon is voiced by Yuko Gibu, who would later return to Go! Princess Pretty Cure as Moe Haruno/Yuuki Aihara.
- Albanian dub: Siren is voiced by Anisa Dervishi, who appears elsewhere in the Pretty Cure franchise as Cure Blossom, Cure Happy, Cure Sword, Cure Honey, Cure Flora, Cure Miracle, Cure Gelato, and Cure Yell.
Other trivia
- Cure Melody becomes the 6th pink Cure, behind Cure Blossom, Cure Peach, Cure Dream, Cure Bloom, and Shiny Luminous.
