Gakkyoku Aina

 is the lead cure of Idol Merveille Pretty Cure!. Aina is a young 14-year old girl who has dreamed of becoming an idol ever since the age of 5 however, she gets bullied and due to this, she is afraid of reaching that dream. Her mother decides to move to Sakuraba City so Aina can take the entrance exam for Sakuraba Academy. Her Pretty Cure alter ego is Cure Cadence, the legendary voice of love whose theme colour is pink. Her preferred brand is Elegant Dream.

Aina
As a civilian, Aina has long royal purple hair tied up into twintails using two pink ribbons and cerise eyes. Her casual wear consists of a magenta dress and a dark magenta cardigan. On her dress, there is a pair of stars (one purple and one white) and she wears scarlet strapped flats.

Cure Cadence
Cure Cadence is the Pretty Cure alter ego of Aina. When transformed, Aina holds the power of love, crystals and light.

Trivia

 * Aina is the first pink lead cure who has purple hair
 * She is Idol Merveille Pretty Cure! 's version of Hoshimiya Ichigo
 * Coincidentally, both of their theme colours are pink and their brands are the corresponding versions of each other
 * Aina was born on the 14th September, making her zodiac Virgo
 * Cure Cadence originally held the power of blessings and her theme colour was green
 * This would’ve made her the first lead cure with the theme colour of green
 * This would've also made her the first lead cure with the power of blessings
 * Unlike the other lead cures (with the exception of Hanasaki Tsubomi and Aida Mana), Aina is very smart and even getting the highest score on the entrance exam about idols
 * This may relate to Aikatsu episode 2, where Kiriya Aoi where she gets the highest score on the entrance exam about past idols.
 * The fact that there are two stars of the colours purple and white may refer to the two Pretty Cure who appear later in the series whose theme colours are purple and white.