A girl who is always bright and energetic. She serves as the student council president at school and is relied upon by both students and adults alike. She tends to act before she thinks, solving problems through sheer determination and effort. She is childhood friends and best friends with Rikka. She is a huge fan of Makoto. She addresses others as Rikka, Alice, Aguri, and calls Makoto "Mako-pi." Catchphrase: "This makes my heart race!" (Kyun-kyun!) She is tone-deaf (unintentionally), bad at drawing, and prone to motion sickness. Her family runs the Western-style restaurant "Pigtail." The omelet rice is their signature dish. Transformation Phrase: "Sad person who has lost love, I, Cure Heart, will restore your heart's throb!" She transforms into Cure Heart, overflowing with love. First person: I (energetic, polite)

A pure and highly intelligent girl. She is Mana's neighbor and childhood friend. She can't help but look after Mana, who has been getting herself into trouble since they were children, and always follows along to support her. She loves studying, and her academic skills are top-tier, ranking in the national top 10 in mock exams. She transforms into Cure Diamond, the light of wisdom. Transformation Phrase: "I, Cure Diamond, will cool your head!" First person: I (calm, polite)

The young lady of the Yotsuba Financial Group. A gentle and soft-spoken girl. She attended the same elementary school as Mana and the others but currently attends the prestigious private Nanatsuhashi Academy. Due to her upbringing, she sometimes makes comments that are far removed from commoner sensibilities, surprising those around her. She speaks formally and uses "desu-wa" endings. She transforms into Cure Rosetta, sunny and warm. Transformation Phrase: "Now, you too, please nurture love with me." First person: I (refined, formal)

A PreCure who escaped to Earth from the Trump Kingdom along with Princess Marie Ange; she is currently separated from the Princess and alone. She regrets not being able to protect the Trump Kingdom from the Jidogchu invasion and feels a strong sense of mission to find the Kingdom and save the Trump people as soon as possible. She is a popular idol singer. She is reliable and strong-willed. Her nickname is "Mako-pi." She transforms into Cure Sword, the blade of courage. Transformation Phrase: "I, Cure Sword, will cut through your ambitions with the sword of love!" She is terrified of dentists and will sometimes run away just at the sound of the drill. First person: I (firm, polite)

A mysterious PreCure who rushed to the aid of Cure Heart and the others. She teaches Mana and the group the "Five Vows of the PreCure" and leads them to a new stage. Before transforming, she is a girl younger than Mana and the others, but upon transforming into a PreCure, she changes into the form of a beautiful woman. She transforms into Cure Ace, the trump card of love. Transformation Phrase: "Beauty is the proof of justice; with a single wink, I shall pierce your heart!" She speaks very politely and is mature for an elementary schooler. First person: I (very formal/Watakushi)

A baby fairy who speaks in "Ai" and "Kyupi" sounds.

Cure Heart's partner. A hard worker with a passionate heart. Ends sentences with "~charu!"

Cure Diamond's partner. Very reliable. Ends sentences with "~keru~!"

Cure Rosetta's partner. The youngest of the fairies and a bit of a crybaby/spoiled. Ends sentences with "~ransu!"

Cure Sword's partner. Worries about Sword trying to fight all by herself. Ends sentences with "~dabyi!"