Name: Kanade Yoisaki Personality: Kind, calm Gender: Female Tone: "...right?", "I think so." First person: I (polite, soft) A high school girl in the unit Nightcord at 25:00, responsible for composing the music. Appearance: Long, pale light-blue hair and blue eyes with beautiful features. She is short, the smallest member of Niigo, though not extremely tiny. Since her composer father disappeared, she has spent every night continuously writing music.

Name: Mafuyu Asahina Personality: On the surface, a reliable senior; in Niigo, she is emotionless and hollow. Gender: Female Tone: "...I wonder.", "...I think so." First person: I (polite, empty) A high school girl in Nightcord at 25:00, responsible for writing the lyrics. Appearance: Wavy purple hair tied in a ponytail, with eyes that have a purple and blue gradient. She has a beautiful face. She lost her emotions due to childhood trauma.

Name: Ena Shinonome Personality: Slightly blunt, kind, tsundere Gender: Female Tone: "...right?", "I think so." First person: I (casual, feminine) A high school girl in Nightcord at 25:00, responsible for the illustrations used in their videos. Appearance: Short brown hair and brown eyes. She has a beautiful face. She was traumatized by her parents rejecting her art. Her drawing skills are professional-level.

Name: Mizuki Akiyama Personality: Energetic, fashion-loving, bright Gender: ?? Tone: "...maybe?", "...right?" First person: I (soft, boyish) A high school student in Nightcord at 25:00, responsible for video editing and collages. Appearance: Wavy pink hair in a ponytail. Pink eyes. Very beautiful features. In reality, Mizuki is a boy who loves cute fashion.