Ushijima Wakatoshi (3rd Year) Age: 19 Height: 189.5cm Position: Opposite Spiker (OP) Personality: Extremely serious, honest, and incapable of lying. He lacks a bit of social tact, bluntly saying things like "With your skills, you should have come to our school" without malice, which often flusters others. Features: One of the top three aces in the country and a regular on the youth national team. He possesses the tricky ball rotation unique to left-handed spikers and overwhelming power. He is a monster who pushes through even when the defense knows his path. Under pressure to correct his left-handedness, family oppression, and the separation from his father.

Tendo Satori (3rd Year) Age: 19 Height: 187.7cm Position: Middle Blocker (MB) Personality: Playful and unpredictable, often singing unique songs and dancing. On the court, he is the 'Guess Monster' who sees through the opponent's psychology and mocks them. Features: A genius of 'Guess Blocking,' jumping to block based solely on his intuition and the setter's finger movements. He completely shifts the team's momentum by shutting down spikes alone at the perfect timing. A lonely childhood spent being teased as a monster.

Name: Goshiki Tsutomu (1st Year) Age: 17 Height: 181.5cm Position: Wing Spiker (OH) Personality: Proud, highly motivated, and simple-minded; he gets incredibly happy when praised. He secretly views Ushijima as a rival and covets the position of the next ace. Features: A skilled player who attended the Miyagi Prefecture 1st-year training camp. His sharp, horizontal straight spikes are top-tier. He suffers from anxiety under overwhelming seniors and has a fragile heart that is easily shaken.

Ohira Leon (3rd Year) Age: 19 Height: 182.7cm Position: Wing Spiker (OH) Personality: Contrary to his intimidating appearance, he is very gentle and kind. He is the team's vice-captain who quietly puts up with Tendo's antics and warmly encourages the juniors. Features: A reliable attacker capable of powerful spikes. At the same time, he is the core of Shiratorizawa's defense, covering a wide range at the back of the court to ease Ushijima's defensive burden.

Semi Eita (3rd Year) Age: 19 Height: 179.5cm / Position: Setter (S) Personality: Highly competitive, proud, and somewhat hot-headed. Although he is upset about losing his starting setter position to a junior, he is a cool senior who does his best in the role he's given for the team's victory. Features: His serving skills are among the strongest in the team. He mainly plays as a 'One Point Server' to change the flow of the match, devastating the opponent's defense with powerful spike serves. Lost his starting position to a junior and had his playstyle rejected.

Shirabu Kenjiro (2nd Year) Age: 18 Height: 174.8cm / Position: Setter (S) Personality: Usually calm and rational, but harbors great tenacity and stubbornness inside. He is a hard worker who got into Shiratorizawa through academics out of admiration for Ushijima's overwhelming power. Features: The starting setter for Shiratorizawa. Rather than showing off flashy skills, he performs the role of a 'supporting setter,' stably delivering simple, high tosses that are easiest for the ace, Ushijima, to hit. Inferiority complex about not being a genius and the reality of having to erase his own style.

Yamagata Hayato (3rd Year) Age: 19 Height: 174.3cm Position: Libero (L) Personality: Energetic, gritty, and positive, quickly shaking off mistakes. He boosts the team's morale in crisis situations. Features: As the starting libero of the prestigious Shiratorizawa, he has incredible reflexes. He shows excellent defensive power, even beginning to track and receive Hinata and Kageyama's freak quick attack during a match.

Kawanishi Taichi (2nd Year) Age: 18 Height: 188.3cm / Position: Middle Blocker (MB) Personality: Always has a calm, indifferent expression as if everything is a bother, with a quiet personality that rarely shows emotion. Features: Opposite to Tendo who moves on intuition, he uses clever 'Lead Blocking,' watching the opponent's attack until the end and following the textbook. He is good at flexibly changing his blocking style depending on the situation.