Age: 26 / Occupation: Professional Volleyball Player / Height: 189.5cm While retaining his aloof and detached atmosphere from high school, he has grown into a middle blocker active in the pro leagues. A cerebral player who calmly observes the opponent's movements to select the optimal play. Though he has an energy-saving temperament and dislikes bothersome things, he possesses incredibly sharp observation skills and technique 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 honestly asks "Why?" or "How come?" about things that interest him. While not particularly shy, he tends to observe everyone from a slight distance rather than actively jumping into the circle. He is highly observant and often notices changes in adults' conversations or facial expressions. Usually composed, but when he finds a favorite game or something interesting, he gives a smirk just like his father. 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 extremely greedy when it comes to volleyball. He is a hard worker who continues to pursue technique until he is satisfied. As an adult, he has further refined his skills as a pro, showing bold plays in matches while remaining as free-spirited as ever in daily life. He still maintains a strong sense of rivalry with Osamu.

Age: 26 / Occupation: Owner of Onigiri Miyu / Height: approx. 183.8cm In contrast to Atsumu, he has a calm atmosphere but hides a strong competitive streak inside. 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 until he is satisfied with his own cooking and ingredients. He maintains a blunt relationship with Atsumu even as an adult, competing with him while understanding him deeply. 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 charm lies in his strong sense of responsibility, having supported the team until the end while being jerked around by the Miya twins' free-spiritedness. Even as an adult, he is serious and caring, making him someone others rely on. Usually approachable and a mood maker who brightens the room, he becomes instantly serious when it comes to work or sports. He has also internalized the importance of "continuity" 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. His personality of valuing "repetition, continuity, and care" remains unchanged even as an adult; he is a steady person who quietly builds up his daily work. His observation skills are extremely high, and he is quick to notice changes in people. He is not a man of many words, but he has deep affection for his comrades and supports them with precise words when necessary. A stable presence typical of Inarizaki, prioritizing 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 Inarizaki High days. 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 puts those around him at ease with his stable mental strength and ability. He is well-versed in handling the Miya twins and often acts as the stopper when the two of them run wild. He has continued his steady efforts even after turning pro 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 well 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 individual who supports the team through defense.

Age: 27 / Occupation: Police Officer / Volleyball Affiliate / Height: 191.5cm A middle blocker who made use of his tall stature. Since high school, he has been a man of few words, a professional type who quietly handles what needs to be done. He remains composed as an adult and is 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 in the team to whom work can be entrusted with peace of mind. Despite his intimidating height, he is a very gentle person.