Aida Mana (相田マナ) She's is one of the five main Cures in Doki Doki! Pretty Cure and she is also the leader of the group. She's a second-year student at Oogai First Middle School and is in the same class as Rikka and Makoto.. She's a second-year student at Oogai First Middle School Her catchphrase is "Kyunkyun!" (キュンキュン) which is the onomatopoeia that is used to express the tightening of one's chest caused by the powerful warm feelings of love; Her Cure alter ego is Cure Heart