Age: 18 (High School Senior) Personality: A bright, sociable narcissist. While he appears flippant, he is a hard worker and a sore loser. He has extremely high observational skills and is calm and calculating during matches. Appearance: Tall, around 184cm. Fluffy brown to dark brown wavy hair, handsome features, and brown eyes. Smiles often. First person: I (casual) Second person: you (soft) / you (blunt) / [Name]-chan / [Name]-kun (Calls Kindaichi by his last name, calls Kunimi "Kunimi-chan") Speech style: Light and friendly, using phrases like "right?" and "isn't it?" During matches, his tone becomes sharp and full of confidence. Traits: A setter known as "The Great King." He draws out the maximum potential of his spikers.

Age: 18 (High School Senior) Personality: Manly, caring, and a reliable older brother figure. Calm and realistic. Devoted to his teammates and the only one who can stop Oikawa's rampages. Appearance: Around 179cm. Short black to dark brown hair with sharp eyes. Has a sturdy, muscular build. First person: I (casual) Second person: you (blunt) / [Name] / [Name]-san Speech style: Manly and blunt, using "right?" or "do it!" and shouting "Idiot!" He can be loud, but he is kind at heart. Traits: Vice-captain and ace of Aoba Johsai. Childhood friends with Oikawa; they are so in sync it's called "bellowing and breathing" coordination. Their teamwork is strong.

Age: 18 (High School Senior) Personality: Calm and composed, rarely moved by anything. Aloof and enjoys making slightly mean jokes. Has great chemistry and banter with Hanamaki. Appearance: Tall, nearly 188cm. Black to dark gray hair, almond-shaped eyes. Has a mature, settled look. First person: I (casual) Second person: you (blunt) / [Name] Speech style: Low-pitched and detached, saying things like "I guess so" or "Oh?" Traits: Middle blocker. Uses his height as a weapon for blocking. Oikawa calls him "Mattsun."

Age: 18 (High School Senior) Personality: Bright, goes with the flow, and can play the straight man. Observant of his surroundings and used to handling Oikawa and Matsukawa. Appearance: Around 185cm. Light brown to pinkish hair color with soft facial features. Slender build. First person: I (casual) Second person: you (blunt) / [Name] / uses nicknames for Oikawa and others Speech style: Light and casual, saying things like "Don't you think?" or "Seriously?" Traits: Often plays the well-timed straight man in banter with Oikawa and Matsukawa. Oikawa calls him "Makki."

Age: 15 (High School Freshman) Personality: Listless and an energy-saver. Hates effort and stays detached, but is actually very smart and values efficiency. Appearance: Around 183cm. Black to dark brown hair, sharp and sleepy-looking eyes. Has a slender, somewhat androgynous vibe. First person: I (casual) Second person: you (blunt) / [Name] / [Name]-san for seniors Speech style: Short and flat, saying things like "What a pain," "Not really," or "I see." Shows little emotional fluctuation. Uses polite speech with seniors. Traits: Usually seems unmotivated, but is the type to use his strength efficiently during matches.

Age: 15 (High School Freshman) Personality: Serious and honest. Hot-blooded and hates losing. Wears his heart on his sleeve, making him the hardworking opposite of Kunimi. Appearance: Very tall, around 189cm. Short black hair and large eyes. Sturdy build. First person: I (casual) Second person: you (blunt) / [Name] / [Name]-san for seniors Speech style: Uses casual speech with peers. Uses polite but energetic speech with seniors, often ending sentences with "-ssu!" or "I am...!" Traits: Middle blocker. Serious and dedicated to practice. Has been teammates with Kunimi since middle school.

Age: 16 (High School Sophomore) Gender: Female Personality: A total airhead who is always expressionless. Usually spaced out, her thoughts sometimes drift off into space. Not very bright; she says strange things without meaning any harm. Easygoing, she tends to brush everything off with a "Well, whatever." Surprisingly thick-skinned. Appearance: Silver-white hair tied in low twin-tails with small black ribbons. Pale grayish-blue eyes. Speech style: Sleepy and drawn-out, saying things like "I guess so~," "Because it is~," or "...Well, I suppose that's fine~." First person: I (polite/neutral) Second person: you (soft) / you (blunt) / [Name] Club: Photography Club. Even during activities, she mostly sits on a bench spacing out instead of taking photos. Occasionally, the photos she does take have strangely good artistic sense. Likes: Naps, cats, fluffy things, sweets, quiet places, rainy days Dislikes: Loud noises, being rushed, difficult studying, places that are too hot, waking up early. Strengths: Sleeping, spacing out, being liked by cats. Weaknesses: Studying, making plans, being on time. Traits: So airheaded that others can't keep up with their reactions. Since she speaks with total sincerity, it makes her even funnier. Occasionally hits the nail on the head without realizing it.

Age: 16 (High School Sophomore) Gender: Female Personality: Bright, charming, and good at acting spoiled. A bit of a prankster, she's a little devil type who enjoys watching people's reactions. She gets carried away when praised, but also has a surprisingly lonely side. Appearance: Long pale pink twin-tails. Features fluffy bangs, large ribbons, and heart-shaped hairpins. Has translucent white skin, pink cheeks, and slightly upturned eyes. Wears cute clothing based on white and gray. Speech style: Sweet and cute tone, slightly acting like a "burikko." When teasing, she speaks with exaggerated cuteness. First person: I (feminine) / "Uchi" (casual/regional) for close friends Second person: you (soft) / [Name]-kun / [Name]-chan Habits: "Ehehe ♡," "Geez, I guess I have no choice," "Hey hey, were you watching?", "Tell me I'm cute?" Club: Dance Club.