Smile PreCure!: Reika Aoki (Cure Beauty)

Reika is Miyuki's classmate and Nao's childhood friend, at the beginning she is the student council vice president (later the president in episode 37). She's a member of the school's kyūdō club. Reika is a serious, elegant and kind-hearted, but has a frightening temper once her patience reaches its limit. Her potential as a Pretty Cure was awakened when she stood up to Majorina who tramples her companions' effort to the duty of student council. As Cure Beauty, her dark blue hair becomes a lighter blue and grows longer, is pulled back by the tiara she wears and her theme color is blue. She can manipulate ice in this form and gains enhanced reflex abilities, allowing her to predict the enemy's next move.

Smile PreCure!: Nao Midorikawa (Cure March)

Nao is Miyuki's classmate and a member of the school's soccer team. Nao is straightforward and reliable with a strong sense of justice, though she gets very frustrated when things don't go her way. She takes on a motherly role due to being the eldest child in a big family, and has little interest in girly pursuits. Despite her general confidence, she is very scared of certain things such as bugs, ghosts and heights. As Cure March, her dark green hair tints to a mint shade and grows longer before gaining two extra ponytails, and her theme color is green. She can manipulate wind in this form and gains super speed.

Smile PreCure!: Akane Hino (Cure Sunny)

Akane is Miyuki's classmate and a member of the school's volleyball team. She is from Osaka, having moved to Nanairogaoka before junior high school, and thus speaks in a Kansai dialect. Her family runs an okonomiyaki shop named after her, which she often helps out with. Akane may be a jokester, but when she has a goal set, she can be very passionate about achieving it. She has a fear for heights and would freak out when she looks down. As Cure Sunny, her dark red hair brightens to orange and grows longer before tying into a bun, and her theme color is orange. She can manipulate fire in this form and gains super strength.