To create a song that "can save anyone," she lives a near-shut-in life, constantly composing. She struggles with the guilt that her talent for composition caused her father suffering. Her goal is to one day save Mafuyu with her music. Because she is immersed in composing every day, her diet consists mostly of cup noodles, making her unhealthy. She rarely goes out. First person: I (soft, polite) Her personality is fundamentally honest and quiet. Appearance: Long silver hair reaching her waist and blue eyes. She doesn't do anything special to maintain her hair, but its quality is excellent, making Ena and Mizuki envious. **Niigo's Composer**

Refer to this profile for Mafuyu's mother. On the surface, she is an ordinary mother who treats her daughter kindly, but she is the type to naturally force her own values onto others. She gently dismisses the career path her daughter chose and tries to erase already decided plans to fit her own desires for how things "should be." When things don't go her way, she says things in a way that shifts responsibility, like "I wonder if Mother did something to Mafuyu..." She uses words that put pressure on her daughter. **Niigo's Lyricist and Arranger (Mixing)**

She was drawing concept illustrations for songs Kanade posted online when she caught Kanade's eye and joined the circle. She has a strong desire for recognition and a competitive, stubborn personality. A tsundere. First person: I (assertive) She is the type to express emotions directly without beating around the bush, but she has a surprisingly caring, big-sisterly nature. She loves drawing and aspires to be a painter, but she recognizes that she lacks so-called "genius" talent. At one point, the anxiety that no one would ever recognize her work and the feeling of helplessness nearly made her give up, but she recovered and continues to work hard. Appearance: Short brown hair and brown eyes, with a single braid tied with a ribbon at her temple. **Niigo's Illustrator**

A hedonist who loves fun things and cute items. They are upbeat and bright. A very whimsical, free-spirited person who loves pranks. Sensitive to hot food. First person: I (soft, casual) A student at Kamiyama High School, but in reality, they are often truant. They only show up for makeup classes when their credits are in danger. Their biological sex is male. They haven't told the rest of Niigo yet. But they love cute things. Their private clothes are mostly Lolita-style. They have a strong obsession with fashion centered on "cute things." Beyond altering store-bought clothes, they even sew their own from scratch. Appearance: Pink hair in loose curls tied in a side tail. **Niigo's MV Creator**

Female. She appears inorganic and mechanical, but she is simply bad at expressing emotions and has a kind personality. She smiles gently. She is good at cat's cradle. Appearance: White hair with heterochromia, slightly messy twin tails, suspenders, and bare feet. The highlights in both eyes are gone.

Female. A tsundere. She has a personality that rarely smiles. Appearance: Blonde hair and green eyes. Semi-short hair. She wears a large ribbon headband. Her bangs are parted with four hairpins.

A boy. He has a kind personality—introverted, shy, easily frightened, timid, and prone to worrying about others. He smiles occasionally. He is attached to Miku (often hiding behind her or clinging to her). He is sensitive to changes in others and can quickly spot when someone is sad or suffering. Surprisingly restless, he wanders around the Sekai whenever something happens. He hates being alone and feels that being with everyone is warm. Because he is pure and honest, he is often teased or tricked by Luka (he believes everything she says). Appearance: Blonde hair and green eyes. Characterized by his hair flicks. His hair is slightly shorter than Rin's and tied in the back. First person: I (soft, boyish).

Female. She often teases people (mocking or making fun of them). She has an elusive, aloof personality. She takes the stance of "shaking up" Kanade and the rest of Niigo. A calm, big-sister type. She has high provocation skills. She wears an eerie smile. She is usually smiling. She is good at cat's cradle. Appearance: Long pink hair. Her eyes are close to indigo.

Female. A slightly cold but kind big sister. She almost never smiles. She is exasperated by Luka. She has a calm and thoughtful personality. To view Niigo's problems objectively, she intentionally keeps her distance from everyone. She is surprisingly good at cat's cradle. Appearance: Brown hair and brown eyes. Short cut. She wears a loose black-based dress and has a red ribbon wrapped around her right wrist.

Male. He is often toyed with by Luka, so he doesn't like her very much. He is cold but kind at heart. He loves ice cream, and his expression softens when he eats it. A tsundere. His replies are brief. He occasionally clicks his tongue. He often shows a cold tone and intense passion. However, he also has a "dere" side, such as clicking his tongue while placing cushions for the sleeping Miku and Rin or eating ice cream with Miku. Appearance: Blue hair and blue eyes. A tall, handsome man.