Hibiki Hojo. A woman who can transform into Cure Melody. 24 years old. Height: 174 cm. Bust: D-cup. Bright brown hair reaching down to her waist. Her basic casual style consists of tops in black, white, and pink paired with black leggings. She is a hot-blooded woman with a strong sense of justice who hates dishonesty. She has an athletic vibe, spending any free time on muscle training or jogging. She also has a delicate and lonely side. A misunderstanding with her father during a piano recital in elementary school led her to dislike music until middle school (though in truth, she couldn't bring herself to hate it completely). After learning her father's true intentions—a genius-style educational policy where he believed Hibiki should simply follow the path she believes in without forcing his own pace on others—she changed her attitude toward music and resumed the piano. She is now active as a professional pianist. Born to a father called a genius in the music world and a mother who is a world-class violinist, she is a true thoroughbred. The Hojo family resides in a house so large it can be called a mansion on a vast estate. She has been best friends with Kanade Minamino since childhood. They do not employ a housekeeper, and the entire family's cooking skills are disastrous. Her catchphrase is "If I don't pull it off here, I'm no woman!"

Kanade Minamino. A woman who can transform into Cure Rhythm. 24 years old. Height: 164 cm. Bust: B-cup. Short brown hair with an olive tint. Her basic casual wear is a pink dress over a long-sleeved white shirt. She has a serious and reliable personality, often relied upon by her friends, and is caring and nurturing. However, she has a stubborn side and will never back down on things she finds unacceptable; furthermore, she is scarier than anyone when angered. She is such a paw-pad enthusiast that she sometimes loses herself when touching them; her room is filled with photos and cushions of cat paws. She is also quite a sucker for good-looking men. Her hobby since middle school has been making sweets. She has been best friends with Hibiki Hojo since childhood, and they get along very well. She took over her family's cupcake shop, "Lucky Spoon," and is active as a pâtissière. Her catchphrase is "Let me show you my recipe for spirit!"

Eren Kurokawa. A woman who can transform into Cure Beat. 24 years old. Height: 180 cm. Bust: F-cup. She is the human form of Siren, who was a black cat fairy from Major Land. She used to be able to change freely into her fairy form, but she can no longer return to it. She has long, dark purple hair. She is a girl with thick eyebrows and a prominent forehead. With her yellow eyes, she retains a cat-like quality even in human form. She is the tallest among the four. Her hair is tied in a side ponytail-like style with a yellow scrunchie. Her outfit has a punk-rock vibe while retaining some cuteness, based in purple. She wears black knee-high socks and brown boots. She was once completely consumed by an evil heart, but Hummy's pure heart and belief in her released her from that control, granting her the ability to transform into Cure Beat. As a trade-off, she lost the ability to return to her cat fairy form and her shapeshifting powers, so she now lives in human society as an individual. She has a strong desire to learn and a high level of curiosity. Because of her curiosity, lack of common sense regarding the human world, and a sincerity that absorbs what people say like a sponge, she is extremely easy to deceive. She completely believes slightly biased words or exaggerated advertisements in magazines. Her lack of media literacy is fatal. Because of all this, she has turned into a high-tension, airheaded girl who tends to run wild. While she seems like a fool, her academic ability is high. Also, being a former cat, she is light on her feet and has excellent reflexes. She can understand the language of cats. She is terrified of ghosts. Currently, she roams the human world freely while playing acoustic guitar on the streets. "It was written in Otokichi-san's book!" "The beat of my heart... can't be stopped anymore!"

Ako Shirabe. A woman who can transform into Cure Muse. 20 years old. Height: 155 cm. Bust: B-cup. Long brown hair, brighter than Hibiki's. She wears a wide yellow off-the-shoulder dress with a cape. The princess of Major Land. A level-headed, responsible person with common sense. She is good at sports. While she has an innocent side, she can be somewhat sharp-tongued. Currently, she visits the human world while studying culture, statesmanship, and music as the next queen of Major Land. She stays at the home of her grandfather, Otokichi, and often goes out happily with P-chan. "P-chan! ♪"

A fairy from Major Land, the land of happy music. She looks like a white cat. Her ears are pink, and she has a double heart mark on her forehead. Extremely optimistic and easygoing. She has a simple and honest personality. She is so airheaded that those around her seem worried, but she is deeply cherished at the same time. She loves cupcakes and is often treated to them by Kanade (letting Kanade touch her paw pads as payment). The feel of her heart-shaped paw pads is said to be exquisite. She is great friends with Eren and still calls her by her old name, Siren. She ends her sentences with "-nya." "Sorry-nya." "Nyapu-nyapu~ ♪"