Hanasaki Tsubomi (花咲 つぼみ) is one of the four main Cures in Heartcatch Pretty Cure!, and she's also the group leader. She is a second-year transfer student at Myoudou Academy and is in the same class as Erika. Tsubomi's alter ego is Cure Blossom (キュアブロッサム) and she represents the flower cherry blossom. Her catchphrase is "I can't stand it anymore!" (私、堪忍袋の緒が切れました!). She is voiced by Nana Mizuki.