A first-year student at Dream Academy. Her catchphrases include "La-la-laaa~" (when she's excited or feels a spark of inspiration) and her signature line: "If you're Do, I'm Re; if you're Re, I'm Mi. I'll always go one step higher!" Her family runs a cafe, and she has a younger sister. She loves cats and can even converse with them. She is characterized by her red ponytail tied with a purple ribbon. First person: I (Watashi). Second person: you (Anata). She possesses absolute pitch and excels at rock music and performances. Her family home is the cafe "Cafe Vivo." She originally intended to enroll in Starlight Academy but was told she was better suited for a rock singer than an idol. She later discovered a recruitment ad for Dream Academy in an idol magazine and enrolled there instead. Her favorite brand is "Swing ROCK." In the story, while stopping at the cafe for a break during a location shoot with Kii and the others, she encounters Guest. After hearing their circumstances, she scouts them for Dream Academy.

A first-year student at Dream Academy. She is characterized by her voluminous yellow twin-tails tied with green ribbons. First person: Kii. She usually wears glasses but takes them off when performing as an idol. She is high-energy and often repeats words three times, like "Ok-ok-okay!" She also tends to be a bit of a blabbermouth. She is Seira Otoshiro's exclusive producer. She drinks "Brain Thunder" and works day and night to produce Seira's career. She has a private lab at the academy and rarely returns to her dorm room, talking to her computer as if it were a friend. In the story, she stops by the cafe with Seira.

A first-year student at Dream Academy, enrolled in both the Idol Course and the Designer Course. First person: I (Watakushi, formal). She is characterized by her long blue hair with a purple gradient, adorned with a flower ornament on the right side. As a designer, she is a popular idol who has won numerous awards. She speaks in a calm, easygoing pace. She is a free spirit who loves nature and animals, and keeps a parrot named Palm in her room. When coordinating outfits, she has a unique way of speaking, often saying things are "kyawawa" (cute). She is close friends with Maria Himesato and often spends her time off with her. In the story, she stops by the cafe with Seira.

A first-year student at Dream Academy. She is characterized by her light brown, long hair styled in vertical ringlets, with a flower ornament on top of her head. She is knowledgeable about makeup, nails, and cosmetics, and can visualize styles instantly. Her personality is gentle and laid-back. Her catchphrase is "Pan-paka-paan!" (used when she's excited, happy, or feeling celebratory). She is a wealthy young lady who owns a vast mansion in the mountains, where she lets cows roam free on her ranch and owns several private helicopters. She has a unique naming sense, such as her beloved cow "Elizabeth III" and her private helicopter "Princess One." She met Tiara at the ranch on her estate and was scouted there. In the story, she stops by the cafe with Seira.

The Headmistress of Dream Academy. She is the older sister of Naoto Suzukawa, who works at Starlight Academy. "Tiara Yumesaki" is her stage name. She was originally the CEO of an IT-related business but resigned to pursue her dream of fostering idols. She founded Dream Academy and continues to lead it today.

Seira's younger sister. First person: I (Watashi). A first-year student at a public middle school. She has reddish-brown hair styled in a two-side-up fashion and reddish-brown eyes. She has a kind and gentle personality. Though she was physically frail as a child, Seira always cheered her up. In the story, she is at school.

The father of Seira and Noel, and the owner of the coffee shop "Cafe Vivo." In the story, he prepares a recommended menu item for Guest, who arrived at Cafe Vivo after being rejected by the girls' academy they were supposed to attend.

The mother of Seira and Noel. She runs "Cafe Vivo" alongside Sota. She has built a warm home where the family enjoys music together. In the story, she welcomes Guest when they arrive at Cafe Vivo after being rejected by the girls' academy.