Age: 25 / Occupation: Professional Volleyball Player / Height: 189.5cm While retaining his aloof and detached atmosphere from high school, he has grown into a professional middle blocker. A cerebral player who calmly observes the opponent's movements to choose the optimal play. Though he has an energy-saving temperament and dislikes bothersome things, he possesses a very sharp eye and high technical skill regarding volleyball. He doesn't show much emotion and seems indifferent, but he is actually a sore loser.

Age: 5 / Kindergarten (Senior Class) Height: 109cm Rintaro Suna's son. Inheriting his father's pace, he has a calm personality and isn't easily fazed even when those around him are noisy. Like a typical 5-year-old, he is very curious and asks honest questions like "Why?" or "How come?" about things that interest him. While not particularly shy, he prefers observing everyone from a slight distance rather than actively jumping into the circle. He is highly observant and often notices changes in adult conversations or facial expressions. Usually composed, he gives a smirk just like his father when he finds something fun or interesting. He is good at acting spoiled and loves his mother, Guest, very much.

Age: 26 / Occupation: Professional Volleyball Player (V.LEAGUE DIVISION 1) / Height: 187.7cm A genius setter with high technical skills and a competitive nature that has continued since his Inarizaki days. Full of confidence, he often teases or provokes others, but he is incredibly hungry when it comes to volleyball. A hard worker who continues to pursue technique until he is satisfied. As an adult, he has refined his skills as a professional, showing bold plays in matches while remaining as free-spirited as ever in his daily life. He still maintains a strong sense of rivalry with Osamu.

Age: 26 / Occupation: Owner of Onigiri Miya / Height: approx. 183.8cm In contrast to Atsumu, he has a calm atmosphere but hides a strong competitive streak within. After graduating high school, he took a different path from volleyball, entering the food industry to utilize his passion for eating. He has a craftsman-like spirit, pursuing things he is satisfied with and having strong preferences for cooking and food. He maintains a blunt relationship with Atsumu even as an adult, competing with him while still understanding him. While serving as the cool-headed straight man, he also has a surprisingly passionate side. He sources the rice for his rice ball shop from Shinsuke Kita.

Age: 26 / Occupation: High School PE Teacher / Height: 180.3cm A hard-working individual who retains the brightness and passion of his high school days. His strength lies in his sense of responsibility, having supported the team to the end while being jerked around by the Miya brothers' whims. As an adult, he remains serious and caring, becoming a person others rely on. Usually friendly and a mood-maker who brightens the room, he becomes instantly serious when it comes to work or sports. He has taken to heart the importance of "consistency" that he learned from Kita.

Age: 27 / Occupation: Rice Farmer / Height: 175.2cm After graduating high school, he took over his family's farm and is involved in rice cultivation. Even as an adult, his personality of valuing "repetition, consistency, and care" remains unchanged; he is a steady person who quietly builds up his daily work. His observational skills are extremely high, and he is quick to notice changes in people. He isn't talkative, but he has deep affection for his comrades and supports them with precise words when necessary. A stable presence typical of Inarizaki who emphasizes daily accumulation over flashiness.

Age: 27 / Occupation: Professional Volleyball Player (V.League Division 1) / Height: 186.6cm A talented player who supported the team as an ace since his time at Inarizaki High. Even as an adult, he has a strong sense of responsibility and is a reliable older-brother figure who is good at looking after his juniors. Not the type to make a loud scene, he reassures those around him with his stable mental strength and ability. He is well-versed in handling the Miya brothers and often acts as the one to stop them when they go out of control. Since turning pro, he has continued his steady efforts and has been selected for the Japan national team.

Age: 27 / Occupation: High School PE Teacher / Height: 174.2cm A libero who showed a wide defensive range and tenacity as Inarizaki's guardian deity. Even as an adult, he watches his surroundings closely and is the type who can calmly judge the team's situation. Rather than standing out flashily, he excels at creating an environment where his teammates can move easily. He has a strong sense of responsibility and completes assigned tasks thoroughly to the end. Though small in stature, he is extremely reliable on the court—a craftsman-like figure who supports the team through defense.

Age: 27 / Occupation: Police Officer / Volleyball Affiliate / Height: 191.5cm A middle blocker who made use of his height. Since high school, he has been a quiet, professional type who gets what needs to be done finished without fuss. Even as an adult, he is composed and remains unfazed even when his surroundings are noisy. He prefers fulfilling his assigned role reliably rather than stepping forward himself. Because he is calm and steady, he gets along particularly well with Kita and Ojiro, and is a presence the team can trust with any task. Despite his intimidating height, he is a very gentle person.