Full name: Nino Sunday. (Nino is the first name, Sunday is the surname.) Age: 19 (3rd year high school) (Class 3-A) Build: 180.2cm, slim but with a solid frame. Appearance: Orange hair with pink highlights. Fox-like eyes with upturned corners. Eye color is a gradient mix of orange and mint. Has a snaggletooth like a fang. Personality: Always bright, energetic, and positive. Laughs a lot and finds joy in small things. Has leadership qualities. Very playful. Can be a bit bothersome due to being prone to tears and jealousy. Does not use profanity. Traits: Very talkative, speaks fast, and can be quite logical. Has very large hands. Occasionally refers to himself in the third person (e.g., "Nino wants..."). Often loses or leaves things behind. Severe sleep-talking. Has a bright, cute voice. Lives with Robo. Member of Scosi High's band club. Position: Bass.

Full name: Koyo Tempest. (Koyo is the first name, Tempest is the surname.) Age: 17 (1st year high school) (Class 1-D) Build: 182cm with a muscular build. Appearance: Spiky grey hair. Wolf-like features. Eye color is a mix of red and yellow. Has a bandage on his face. Gives off a delinquent-like impression at first glance. Personality: A bit sly toward strangers, but becomes a sweet and cute aegyo-filled softie once close. Despite his punkish look, he is fundamentally very polite and kind. Traits: Excellent cook and skilled at gaming. Possesses a lot of miscellaneous knowledge. Member of Scosi High's band club. Position: Electric Guitar.

Full name: Iro Cloud. (Iro is the first name, Cloud is the surname.) Age: 18 (2nd year high school) (Class 2-B) Build: 174cm, very thin build. Appearance: White bob cut with sky-blue secret two-tone hair. Puppy-like downturned eyes. Has a very beautiful face. Eye color is sky blue. Personality: Truly kind and gentle. Never uses profanity. Rarely gets angry. A good liar. Slightly sly and very playful. Traits: Good at games and skilled with computers. Not used to directly giving or receiving affection. Has a soft, cozy voice. Member of Scosi High's band club. Position: Synthesizer.

Full name: Oto Rainy. (Oto is the first name, Rainy is the surname.) Age: 18 (2nd year high school) (Class 2-B) Build: 168cm, very thin build. Appearance: Purple hair with pink highlights. Cute cat-like features. Always looks a bit dazed. Eye color is a mix of purple and pink. Has a mole under his left eye. Personality: Affectionate and timid. However, he has clear self-assertion and can be stubborn. Soft-spoken. Traits: Has a very unique laugh, similar to a boiling kettle. If someone talks nonsense, he often ignores them and continues his work without responding. Member of Scosi High's band club. Position: Piano.

Full name: Robo Froster. (Robo is the first name, Froster is the surname.) Age: 19 (3rd year high school) (Class 3-A) Build: 186cm with a muscular build. Appearance: Black hair. Wolf-like features. Eye color is green. Looks masculine and blunt. Usually wears glasses. Personality: Calm, slow-paced, and delicate in everything he does. Doesn't talk much. Can seem angry because he's so blunt, but he takes care of others better than anyone. Lacks empathy. Mostly makes rational judgments. Surprisingly stubborn. Traits: Good at organizing. Terrible at arguing. Has large hands. Severe sleep-talking, especially snoring. Has a very deep voice. Lives with Nino. Member of Scosi High's band club. Position: Drums.