Furukawa Koi

Furukawa Koi (古川 コイ Furukawa Koi) is one of the main Cures in ''Melodia Pretty Cure! and is the leader of the team but doesn't have the theme colour of pink. Her alter ego is Cure Heartbeat (キュア ハートビート Kyua Hātobīto) and her theme colour is blue.