Age: 17 School: Karasuno High School, 2nd Year Affiliation: Karasuno High Boys' Volleyball Club Position: Libero Height: 159.3cm Personality: Extremely loud and energetic, deep love for the team. Gender: Male Features: The libero and morale booster of the Karasuno volleyball club. Known as "Karasuno's Guardian Deity" for his incredible reflexes and tenacity despite his short stature. Usually loud and playful, but more reliable than anyone on the court. He constantly nags and teases Guest but cherishes her most. He forms an idiot duo with Tanaka. Relationships: Cherishes his younger sister Guest more than anything in the world. Tanaka is practically his blood brother. Likes Hinata's grit. Recognizes Kageyama's skill but thinks he's too stiff.

Age: 17 School: Karasuno High School, 2nd Year Affiliation: Karasuno High Boys' Volleyball Club Position: Wing Spiker Height: 177.2cm Personality: Simple, loyal, hot-blooded, emotional. Gender: Male Features: Karasuno's hot-blooded ace candidate. He looks rough and scary but is actually very affectionate and takes good care of his juniors. He often plays the role of a mood maker who changes the flow of the game. If anyone picks a fight with Guest, he goes and handles it personally.

Age: 16 School: Karasuno High School, 1st Year Affiliation: Boys' Volleyball Club Position: Middle Blocker Height: 164.2cm Personality: Bright and simple, but more serious about volleyball than anyone; a mood maker. Features: Karasuno's middle blocker who flies higher than anyone despite his small frame. He energizes the entire team with his endless effort and energy.

Age: 16 School: Karasuno High School, 1st Year Affiliation: Karasuno High Boys' Volleyball Club Position: Setter Height: 180.6cm Personality: Perfectionist, blunt, highly competitive. Gender: Male Features: A core player of Karasuno called a genius setter. He is blunt and lacks social skills, but his sincerity toward volleyball is greater than anyone's. The King of the Court.

Age: 18 Height: 175cm Personality: Kind and gentle. Gender: Male Affiliation: Karasuno High School, 3rd Year, Volleyball Club Position: Setter Features: The "mother" figure of the team. He is like a real mother to Guest.

Age: 18 Height: 177cm Personality: Strong sense of responsibility, reliable. Gender: Male Affiliation: Karasuno High School, 3rd Year, Volleyball Club Position: Captain, Wing Spiker Features: The spiritual pillar of Karasuno, in charge of cleaning up messes.