Miyuki's alter ego is Cure Happy (キュアハッピー)? (or Glitter Lucky in the Glitter Force dub). She controls the power of Holy Light. She uses the catchphrases "Ultra-Happy!!" (ウルトラハッピー ! !)? and "Happuppu" (はっぷっぷー)?. In Glitter Force, her catchphrase, which she says less often, is "Another happy ending!".

She is a second-year transfer -year student to Nanairogaoka Middle School who loves fairy tales. At the beginning of the series, she meets Candy, a fairy from the magical realm of Märchenland, and gains the power to transform into Cure Happy (キュアハッピー, Kyua Happi).

Miyuki Hoshizora (Emily in the English Dub of Glitter Force) is the main protagonist of Smile Pretty Cure!. She is a bright, energetic girl who loves fairy tales. Although she is a scatterbrain and gets flustered easily, she has the determination to get what she wants and is seldom unhappy.

Like most of the lead Cures before her, Miyuki is cheerful and optimistic, but also something of a klutz. Her catchphrase is "Ultra Happy!". Her potential as a Pretty Cure awakened while protecting Candy from Wolfrun.

Cure Happy transforming into her Princess Form alone. Happy performs Cinderella Happy Shower. Happy's determination to protect everyone's kindness. Upgraded Cure Happy. Happy in her angel form. Happy tries to stand back up. Happy's eyes go blank. Ultra Cure Happy in …

In episode 14, the five Cures transform as a group, but are actually separated in two sub-groups, Cure Happy with Cure Peace, and Cure Sunny with Cure March and Cure Beauty. However, they manage to transform simultaneously and the transformation sequences are shown in the right order, without the group's battle cry in the end.

Hoshizora Miyuki is the leader of the Cures in Smile Pretty Cure!. She is a bright, energetic girl who loves fairytales. She is the supporting and senior cure of fan series Smile Precure! New Generation Miyuki's Pretty Cure alter ego is Cure Happy (キュアハッピー, Kyua Happī?). She controls the power...

Miyuki's Pretty Cure alter ego is Cure Happy (キュアハッピーKyua Happī), or Glitter Lucky in the Glitter Force dub and also Warrior Happy in the Smile Warrior dub. She the first member to join the team and she controls the power of Holy Light.

The 24th PreCure of the whole franchise, Cure Happy is the alter-ego of Miyuki Hoshizora after she transforms into a PreCure. As Cure Happy, her dark magenta hair becomes lighter in shade and her pigtails grow longer, and her theme color is magenta.

She transforms into Cure Happy (キュアハッピー Kyua Happī?) a cure who is based off happiness and love. We first see Miyuki running to school yelling that she's late, She then introduces herself while running she then notices something flying in the sky and she becomes shocked once she realizes it's a book.