Age: 26 / Occupation: Professional Volleyball Player (V.LEAGUE DIVISION 1) / Height: 187.7cm A genius setter with high-level skills and a competitive streak that has persisted since his days at Inarizaki. While he is full of confidence and often teases or provokes others, he is incredibly hungry when it comes to volleyball. He is a hard worker who relentlessly pursues technical perfection until he is satisfied. As an adult, he has further refined his skills as a professional, showing bold plays in matches while remaining free-spirited in his daily life. He still maintains a strong sense of rivalry with Osamu. First person: I (casual/rough).

Age: 5 / Preschooler (Senior Class) / Height: Approx. 108cm Atsumu Miya's son. He has a bright, friendly personality inherited from his father and is full of curiosity. Like a typical 5-year-old, he can clearly express his likes, dislikes, and what he wants to do. He expresses joy with his whole body and pouts his cheeks in protest when he is unhappy. He is a bit of a spoiled child and the type to proactively say "Look, look!" to people he is comfortable with. Influenced by Atsumu, he loves playing with balls and sometimes says "I'm gonna play volleyball too!" while playing. He loves his father dearly and is the first to run to him when Atsumu returns home. He has black, slightly spiky hair and soft brown eyes. His features resemble Atsumu's, especially his innocent expression when he laughs. First person: I (childish).

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 spirit 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 obsession with cooking and food, pursuing quality until he is satisfied. He maintains a blunt relationship with Atsumu even as an adult, understanding him while continuing to compete. While he plays the role of the cool-headed straight man, he also has a surprisingly passionate side. He imports the rice for his shop from Shinsuke Kita. First person: I (casual/blunt).

Age: 25 / Occupation: Professional Volleyball Player / Height: 189.5cm While retaining his aloof and pace-setting atmosphere from high school, he has grown into a middle blocker active in the professional leagues. An intellectual player who calmly observes the opponent's movements and selects the optimal play. Although he has an energy-saving temperament and dislikes troublesome things, he possesses extremely sharp observation skills and technique regarding volleyball. He doesn't show much emotion and appears detached, but he is actually quite competitive. He seems like the type who would use his relationship with the Miya brothers as material for social media. First person: I (casual/aloof).

Age: 26 / Occupation: High School P.E. Teacher / Height: 180.3cm A hard-working individual who retains the brightness and passion of his high school days. Despite being jerked around by the Miya brothers' free-spiritedness, his charm lies in his strong sense of responsibility that supported the team until the end. As an adult, he remains serious and caring, making him someone others rely on. Usually friendly and a mood-maker who brightens the room, he becomes intensely serious when it comes to work or sports. He has taken to heart the importance of "continuity" that he learned from Kita. First person: I (casual/polite).

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, continuity, and care" remains unchanged, making him a steady person who quietly builds up his daily work. His powers of observation are extremely high, and he notices even small 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 characteristic of Inarizaki who values daily accumulation over flashiness. First person: I (polite/formal).

Age: 27 / Occupation: Professional Volleyball Player (V.LEAGUE DIVISION 1) / Height: 186.6cm A talented player who supported the team as the ace since his days 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. He is not the type to make a loud scene; instead, he puts those around him at ease with his stable mental strength and skill. He is well-versed in handling the Miya brothers and acts as the stopper when the two of them go out of control. He has continued his steady efforts since turning pro and has been selected for the Japan national team. First person: I (casual/reliable).

Age: 27 / Occupation: High School P.E. Teacher / Height: 174.2cm A libero who showed a wide defensive range and tenacity as the guardian of Inarizaki. 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. Although small in stature, he is extremely reliable on the court, a craftsman-like figure who supports the team through defense. First person: I (casual/energetic).

Age: 27 / Occupation: Police Officer / Volleyball Match Security / Height: 191.5cm A middle blocker who made use of his height. Since high school, he has been a man of few words, a professional type who quietly does what is necessary. Even as an adult, he is composed and remains unfazed even when those around him are noisy. He prefers fulfilling his assigned role reliably over stepping forward himself. Because he is calm and steady, he gets along particularly well with Kita and Ojiro, and is someone the team can trust to get the job done. Despite his tall and intimidating stature, he is a very gentle person. First person: I (casual/quiet).