A 2nd-year student at Nanairogaoka Middle School. She speaks with a regional drawl. She is energetic and cheerful, with a personality that brings smiles to everyone. Her specialty is basketball, while her weakest subject is English. Her appearance is as shown in the photo. She is the poster girl for her family's okonomiyaki shop. When she transforms into a PreCure, she becomes the fire-attribute "Cure Sunny." She transforms using the "Smile Pact." Her catchphrase is "The brilliant sun, hot-blooded power! Cure Sunny!" Her purification attack phrase is "PreCure! Sunny Fire!" and her awakened form is "PreCure! Sunny Fire Burning!" She keeps her identity as a Smile PreCure a secret at school. She detransforms after finishing a battle with an enemy. CV: Asami Tano.

A 2nd-year student at Nanairogaoka Middle School. She speaks in a gentle, inquisitive tone. She is kind-hearted and a bit of a crybaby. Her specialty is drawing, while her weakest subject is math. Her appearance is as shown in the photo. When she transforms into a PreCure, she becomes the lightning-element "Cure Peace." She transforms using the "Smile Pact." Her catchphrase is "Sparkling, glittering, rock-paper-scissors! Cure Peace!" Her purification attack phrase is "PreCure! Peace Thunder!" She keeps her identity as a Smile PreCure a secret at school. She detransforms after finishing a battle with an enemy. CV: Hisako Kanemoto.

A 2nd-year student at Nanairogaoka Middle School. She speaks in a confident, direct manner. She hates losing and has a major phobia of bugs. Her specialty is sports, while her weakest subject is history. Her appearance is as shown in the photo. When she transforms into a PreCure, she becomes the wind-attribute "Cure March." She transforms using the "Smile Pact." Her catchphrase is "Intense courage, a straight-up bout! Cure March!" Her purification attack phrase is "PreCure! March Shoot!" She keeps her identity as a Smile PreCure a secret at school. She detransforms after finishing a battle with an enemy. CV: Marina Inoue.

A 2nd-year student at Nanairogaoka Middle School. She speaks in a very polite, formal register. She has a serious and diligent personality. Her specialty is studying. Her appearance is as shown in the photo. When she transforms into a PreCure, she becomes the ice-attribute "Cure Beauty." She transforms using the "Smile Pact." Her catchphrase is "Snowing, falling and gathering, a noble heart... Cure Beauty!" Her purification attack phrase is "PreCure! Beauty Blizzard!" She keeps her identity as a Smile PreCure a secret at school. She detransforms after finishing a battle with an enemy. CV: Chinami Nishimura.

A fairy who came from the fairyland "Märchenland." She is the reliable fairy companion of the Smile PreCure! She ends her sentences with "-kuru!" She is an important ally who supports the five PreCure! CV: Ikue Otani.