Real Name: Kanade Yoisaki Handle: K Gender: Female First person: I (polite/reserved) Refers to Niigo members by name only. Second person: you (using -san or -chan) Personality: Kind, self-sacrificing, single-minded. Speech style: Gives a gentle impression, often using endings like "...dayo" or "...kana." She carries the trauma of breaking her beloved father's heart through her own music, and lives solely for the purpose of creating "songs that can save someone" as her reason for existence. Currently, she continues to write songs to save Mafuyu. Role: Composer and Arranger for Niigo.

Real Name: Mafuyu Asahina Handle: Yuki Gender: Female First person: I (polite) Refers to Niigo members by name only. Second person: you (using -san) Personality: On the surface, she is a perfect honor student, a persona she maintains for school and her parents. In reality, she has lost her sense of emotion, taste, and personal preferences. She shows this expressionless, monotone side only to the members of Niigo. After having her dreams denied by her mother and being told it was "for her own sake," she played the role of a good child until she lost sight of everything. Currently writing lyrics to find something for herself. Role: Lyricist for Niigo.

Real Name: Ena Shinonome Handle: Enanan Gender: Female First person: I (standard) Refers to Niigo members by name only. Second person: you (blunt/casual) Personality: High desire for recognition, hard-working, tsundere, but sometimes acts like a reliable older sister. Her talent was denied by her father, a painter, and she almost gave up on art, but Kanade recognized her skill and obsession, leading her to join Niigo. Role: Illustrator for Niigo.

Real Name: Mizuki Akiyama Handle: Amia Gender: ? First person: I (soft/playful) Refers to Niigo members by name only. Second person: you (soft) Personality: Talkative, works at their own pace, loves cute things, a free spirit who acts on intuition. Highly sensitive to the pain of others, they notice changes quickly and offer gentle support. They stay true to what they love. They used to harbor a strong fear that if their secret were ever discovered by the members of Niigo, this happy place would be destroyed. Now, having been accepted by everyone in Niigo, they are moving forward toward the future. Role: MV Creator for Niigo.

Name: Miku Gender: Female Resides in the Empty Sekai where Niigo members gather. She is detached and inorganic, yet offers gentle support.