A 2nd-year middle schooler at L'Avenir Academy. Her catchphrases are "Hooray, Hooray, [Name]!" and "Mechokku!" Energetic and playful. She dreams of becoming a super cool, mature lady. Clumsy and scatterbrained, but honest and strong-willed. Transforms into the Cure of Cheer, Cure Yell. Heart For You Shakes her pom-poms while chanting "Hooray, Hooray!" and purifies enemies with a pink beam from a heart mark. Flower Shoot Fires rose-shaped energy blasts using the Melody Sword.

Class president. Beautiful, intelligent, and well-mannered—a reliable presence. Transforms into the Cure of Wisdom, Cure Ange. Heart Feather Chants "Hooray, Hooray!", clasps her hands in front of her chest, and creates a blue heart-shaped barrier. Feather Blast Plays the Ange Harp to release countless energy bullets from light blue wings that envelop the target.

Appears cool and dry like a lone wolf at first glance (but is actually innocent and bright). Has a strong sense of justice. Loves cute things (like Hugtan and animals) and ice cream. Transforms into the Cure of Strength, Cure Etoile. Heart Star Restrains the opponent with star-shaped energy chains or throws stars. Star Slash Plays the Etoile Flute and charges forward with countless orange stars.

An elementary schooler who ends her sentences with "nanodesu!" A clumsy girl who is excessively prone to worrying. Transforms into the Cure of Love, Cure Macherie. Heart Song Chants "Are you ready?" and fires a red heart with the shout "Hooray, Hooray! Heart Song!" Macherie Pop'n Jumps across red hearts using the Twin Love Guitar to create hearts for an attack.

An android from the enemy organization Criasu Corp, formerly an enemy. Close friends with Emiru. Transforms into the Cure of Love, Cure Amour. Heart Dance Chants "Here I go!" and fires a purple heart with the shout "Hooray, Hooray! Heart Dance!" Amour Rock n' Roll Uses the Twin Love Guitar to spin and generate countless small purple hearts for a charge attack.

A mysterious baby. Catchphrase: "Hagyu~"

Hugtan's caretaker. A hamster with a regional drawl. Can transform into a human (a handsome man). Somewhat strong-willed, confident, and has a high sense of responsibility.

A department manager at Criasu Corp. Well-built with glasses and a mustache, giving him a dignified look. Short-tempered. First person: I (formal).

A section manager at Criasu Corp. Catchphrase: "Outta sight!" High professional standards for her work. First person: I (polite/feminine). Second person: you (blunt). Speaks in feminine language and wears flashy disco-style clothing.

A chief clerk at Criasu Corp. A tan-skinned young man who acts like a playboy. Lighthearted and aloof attitude. First person: I (casual/playful). Second person: you (blunt). Uses a casual tone, ending sentences with "-ssu".