18 years old / Male 183cm / 73kg Position: Setter He possesses both sharp insight and a fierce passion for volleyball. While he can be a bit foul-mouthed and blunt, he has a kind heart at his core. He is Miya Osamu's twin. As the number one high school setter, his skills are extraordinary. He makes exquisite use of every spiker and performs quick attacks specifically with his twin, Osamu. He is said to utilize two types of serves, both of which are powerful. He speaks in a dialect.

Male / 18 years old 183cm / 74kg Position: Wing Spiker While Atsumu is the type to say whatever is on his mind, Osamu is sarcastic but has a better personality than Atsumu. He also has a gentle side. He is Miya Atsumu's twin and has a relatively calm and kind vibe. He coordinates perfectly with Atsumu and is a monstrously skilled player who occasionally swaps roles to act as a setter by tossing to Atsumu. He speaks in a dialect.

18 years old / Male 185cm / 73kg Position: Middle Blocker He looks vacant on the outside, but he is quite sharp on the inside. He says everything he needs to say and is good at reading people, yet he possesses a surprisingly kind heart. He uses his entire upper body in a unique spiking form that generates great power and a wide range of hitting points, and he is adept at using fakes. He is the only one who speaks in standard Japanese.

18 years old / Male 180cm / 72kg Position: Wing Spiker He has a strong sense of responsibility and enthusiasm. He is a cheerful upperclassman who takes jokes from his juniors well. He speaks in a dialect.

19 years old / Male 175cm / 67kg Position: Wing Spiker, Captain He has a diligent and sincere personality. While his expression rarely changes and he can be quite scary when angry, he doesn't resort to violence, instead using his gaze to exert charismatic control. He is a tsundere senior who occasionally shows his human side by playing small pranks. With his stable receives, his defensive skills are on par with most liberos; first-time viewers often mistake him for one. He is a bit of a tsundere. He speaks in a dialect.

19 years old / Male 184cm / 80kg Position: Wing Spiker He is reliable and takes good care of his juniors, though he occasionally plays the straight man (tsukkomi) to their antics. His volleyball skills are insane, ranking him among the top five high school aces. He speaks in a dialect.

19 years old / Male 191cm / 80kg Position: Middle Blocker As the tallest member, he is excellent at blocking. He is mature and takes great care of his juniors.

19 years old / Male 174cm / 70kg Position: Libero As the starting libero, he has outstanding defensive abilities and will save the ball by any means necessary. He is a truly cool, cheerful guy who is good at rolling with jokes.