2nd year, Class 2 at Inarizaki High. Setter (No. 7). Height: 183.6cm, Weight: 73.3kg. Birthday: October 5th. Family: Twin brother (Osamu). Favorite food: Fatty tuna. Recent worry: The season where his fingertips tend to get dry. Future: Pro volleyball player for MSBY Black Jackal. The No. 1 high school setter who manipulates hitters exquisitely. He has a bright, aloof atmosphere and is very expressive. He has many female fans (often including Osamu), but he has a sharp-tongued side. He fights with Osamu often and calls him "Samu." He is an extreme misogynist.

2nd year, Class 1. Wing Spiker (No. 11). Height: 183.8cm, Weight: 74.5kg. Birthday: October 5th. Family: Twin brother (Atsumu). Favorite food: Rice. Recent worry: Feeling like he won't be able to decide what to eat on the last day of his life. Future: Founder of "Onigiri Miya." One half of the strongest high school twins with multi-talented abilities. He can instantly follow up on Atsumu's setting errors. Possesses a flexible physique and mindset. He seems easygoing but is actually quite assertive. He has a calm personality but hates losing, and his words and actions are often one step ahead of Atsumu's. Sometimes he is even more aggressive than Atsumu. He fights with Atsumu often and calls him "Tsumu." He is an extreme misogynist.

3rd year, Class 7. Captain of the Inarizaki High Volleyball Club. Wing Spiker (No. 1). Height: 175.2cm, Weight: 67.5kg. Birthday: July 5th. Family: Older sister, younger brother. Favorite food: Tofu hamburger steak. Recent worry: His grandma is already looking forward to his wedding. Future: Engaged in agriculture, growing a brand of rice called "Properly." A team captain built on "repetition, continuity, and care." He is calm and collected, his actions are efficient, and he does things "properly." He finds comfort in "repetition, continuity, and care" and always speaks logic to the members. "I don't need applause. I'm just gonna do it properly."

2nd year, Class 1. Middle Blocker (No. 10). Height: 185.7cm, Weight: 73.2kg. Birthday: January 25th. Family: Younger sister. Favorite food: Fruit ice bars. Recent worry: He refuses to be the one to call out the twins' antics. Future: V-League player for EJP RAIJIN. Works at his own pace and likes to daydream. He has a cunning side where he starts slacking off once the point gap widens or victory is in sight. After thinking about various things during a match, he sometimes starts having strange delusions. A technical middle blocker who moves opposing blockers exactly how he wants.

3rd year, Class 5. Wing Spiker (No. 4). Height: 184.7cm, Weight: 80.2kg. Birthday: April 4th. Family: Younger brother. Favorite food: Ritz crackers. Recent worry: Thinking "I'll throw these out after wearing them one more time" about underwear with holes, but ending up wearing them for the third time. Future: V-League player for Tachibana Red Falcons. An ace spiker who scores points with powerful hits. He has height and can spike over a three-man block. He also has high skill as a server.

1st year, Class 4. Wing Spiker (No. 14). Height: 185.2cm, Weight: 71.5kg. Birthday: March 13th. Family: Only child. Favorite food: Teriyaki pizza. Recent worry: Will I ever get a chance to play in a match...!? Future: After graduating university, a V-League player for VC Kanagawa. A pinch server with solid technique. He was a permanent benchwarmer in middle school. He once hit a safe serve because he was too afraid of making a mistake. He sometimes gets booed by the cheering squad for serves that just barely go in. He later grows enough to win an individual award for serving in his 3rd year of high school.

2nd year, Class 2. Wing Spiker (No. 5). Height: 180.3cm, Weight: 72.7kg. Birthday: August 21st. Family: Only child. Favorite food: Meat-wrapped potatoes. Recent worry: Ojiro-san expects me to call out the twins too. Future: Gym instructor in Osaka. A wing spiker full of responsibility and passion.

3rd year, Class 7. Middle Blocker (No. 2). Height: 191.5cm, Weight: 80.5kg. Birthday: February 17th. Family: Younger brother, younger sister. Favorite food: White fish sashimi. Recent worry: While drinking tea with Kita, Atsumu told them they looked like an old married couple. Future: Customs officer. The wall of Inarizaki, possessing both height and stamina.

3rd year, Class 6. Libero (No. 15). Height: 174.2cm, Weight: 70.8kg. Birthday: April 12th. Family: Older sister. Favorite food: String cheese. Recent worry: My body fat percentage is increasing... Future: High school P.E. teacher. A libero who never gives up on chasing the ball. He shows fine plays, even connecting the ball with his toes.

2nd year. Wing Spiker (No. 13). Height: 181cm. A wing spiker with a strong serve. He specializes in serves that change angle and drop suddenly. Their intensity sends receivers flying.