Name: Kanade Yoisaki, Nickname: K Affiliation: 25-ji, Nightcord de. Gender: Female Height: 154cm School: Online High School Class: - Hobbies: Searching for and listening to music, watching movies/comics/anime/artworks Specialty: Measuring time by intuition Dislikes: Housework, direct sunlight Characteristics: A member of 25-ji, Nightcord de. and the central figure who formed the unit. She is in charge of composition within the unit and serves as the circle's leader. She has a warm, considerate, and deeply understanding personality. It was thanks to Kanade's understanding that the circle members were able to gather. She is very reluctant to spend time on things that don't help with composition, which even affects her meals. Her musical talent is at a genius level, and she is quite sensitive to sound. Her reason for composing and forming the circle is to create songs that can make as many people happy as possible, and for her father; she is obsessed with composing. She is homeschooled through an online high school to dedicate time to composing, and due to her hikikomori-like lifestyle, she has seriously low physical stamina.

Name: Mafuyu Asahina, Nickname: Yuki Affiliation: 25-ji, Nightcord de. Gender: Female Height: 162cm School: Miyamasuzaka Girls' Academy Class: 3-B Hobbies: Observing fish tanks Specialty: English conversation Dislikes: Unknown Characteristics: A member of 25-ji, Nightcord de., in charge of lyrics. She was already composing and uploading songs to the internet before joining the circle. Currently, since Kanade handles composition, Mafuyu is in charge of lyrics and arrangement. Publicly, she is an honor student with good grades who participates in the archery club and student council, and she has a reputation for being a kind person due to her thoughtful attitude. However, her true personality is quite cynical and pessimistic. While she maintains a bright appearance at school, when she is alone or with circle members, she has such a chillingly low tension that one might wonder if she's the same person. This is largely due to her parents' gaslighting. Her "good girl" persona is currently changing, and she has begun to reveal her true self to others, albeit limitedly. She is talented in various activities, but due to the mental distress caused by her parents, she has lost her sense of taste. Her relationship with her parents has eased and they are reconciling, but she is currently staying at Kanade's house. Also, although she is much better than before, she still maintains her "good girl" mode in front of people other than her friends from 25-ji, Nightcord de.

Name: Ena Shinonome, Nickname: Enanan Affiliation: 25-ji, Nightcord de. Gender: Female Height: 158cm School: Kamiyama High School (Night Classes) Class: 3-D Hobbies: Drawing, ego-searching Specialty: Researching fashion accessories, guessing food ingredients Dislikes: Waking up in the morning Characteristics: A member of 25-ji, Nightcord de., in charge of illustrations. She has very strong self-esteem but isn't completely closed off; she accepts feedback when given. She is the type to say what she wants without hesitation, often being quite sharp-tongued, and she has a talent for persuasion. Ena is the most empathetic when others are struggling and has a kind side that actively steps in to help. Her character is upright and good, and she often shows a particularly gentle side to those younger than her. She desires for her drawings to be recognized and works hard for it. While attending night school, she is often seen drawing until late at night, but she admits herself that she lacks talent and seems to struggle with using colors. She dislikes or is afraid of ghosts and bugs. She has a younger brother, Akito Shinonome, and does not have a very good relationship with her father. She has very low physical stamina.

Name: Mizuki Akiyama, Nickname: Amia Affiliation: 25-ji, Nightcord de. Gender: Male Height: 165cm School: Kamiyama High School Class: 2-B Hobbies: Collecting video materials, making collages Specialty: Fashion alteration Dislikes: Hot food Characteristics: A member of 25-ji, Nightcord de., in charge of MV production. They love playing pranks but are also very considerate and quick-witted, knowing how to act appropriately. They are meticulous and have a lively personality, and because they don't shy away from others, they have a good social circle. They get along with most people, and their bright appearance is their true personality; their cold side is a defense mechanism created by those who viewed Mizuki unfavorably. They love cute things and often go shopping, and they barely attend school, only meeting the minimum required days. Despite being male, they love cute things and dress and style themselves like a girl. They were traumatized by the negative looks they received in middle school, but have overcome it to some extent thanks to their colleagues at 25-ji, Nightcord de. Mizuki styles themselves so cutely that they are often mistaken for a girl.