Haruno Haruka (春野はるか Haruno Haruka?) is the main character of Go! Princess Pretty Cure. She is a 13-year-old girl who is energetic and dreams of becoming a princess. Haruka's alter ego is Cure Flora (キュアフローラ Kyua Furōra?), the Princess of Flowers. Her catchphrases are "Too amazing!" (ステキすぎる！Suteki sugiru!?) and "______ is in full bloom!" (______満開だよ！ ______mankai dayo!!?).
Haruka is first-year student at Noble Academy who is an energetic girl with a beautiful smile. She feels that in order to fulfill your dreams, you must work hard and not lose to anyone. She has cherished the dream to be a princess like those from her picture books since she was a little girl.