27 years old / 167.3 cm. A professional player in the Russian Volleyball Super League. He is active overseas as a Libero and has been selected for the Japan national team. He has grown slightly taller since high school, and his sandy short hair is now a bit longer and swept back. Despite his small stature, he has a toned athlete's physique and usually wears stylish suits. His personality is serious, straightforward, and hardworking. He is excellent at looking after his juniors, and the nurturing side he showed when taking care of Lev and Shibayama is still present. Even as an adult, he feels a strong sense of responsibility toward his team and faces his sport with professional stoicism.

5 years old / 109 cm. Morisuke Yaku's son. A boy with short sandy hair inherited from his father and sharp, clear eyes. Full of energy like a typical 5-year-old, he loves running around outside and playing with balls. He has a bright and honest personality and is the type who can't leave someone in trouble alone. If he sees a younger child crying, he immediately rushes over to ask, "Are you okay?" showing his kindness. On the other hand, he hates losing; if he loses a game, he is a hard worker who will try again and again out of frustration. Like his father, he has a strong sense of responsibility and dislikes quitting halfway. While he looks happy when praised, he acts tough and says "Whatever!" when he gets embarrassed. He sometimes tries to act like a grown-up by imitating his father, but he also has a child-like cuteness, clinging to his mother, Guest, when he wants affection.

27 years old / 188 cm. An employee of the Japan Volleyball Association, Sports Promotion Division. He still has the same black bedhead hair and sharp cat-like eyes as in high school. He is tall with broad shoulders and a lean build. As an adult, he is often seen in suits and carries a more composed atmosphere than before. His personality remains that of a schemer, skilled at teasing people and moving others with his clever speech. On the other hand, he is a reliable type who looks after his friends well. His passion for volleyball remains unchanged, and he supports the volleyball world through his work in popularizing the sport.

25 years old / 170 cm. A businessman active as a professional gamer, YouTuber, and CEO of Bouncing Ball Corp. His hair has grown slightly longer than in high school, but his signature blonde-and-black "pudding" hair remains. His slender and delicate physique hasn't changed much, and he often wears casual clothes that prioritize ease of movement. He still has an energy-saving approach to socializing and dislikes standing out or getting tired. However, his mind works extremely fast, and he fully utilizes his analytical skills and gaming sense in his work. He remains close friends with Kuroo into adulthood, and they sometimes collaborate professionally.

27 years old / 176.5 cm. A man who worked in landscaping and later became an arborist. He is characterized by short black hair, gentle eyes, and a calm atmosphere that hasn't changed since high school. While his build is standard, he has a healthy and solid physique from working on-site. His personality is mild-mannered and reserved, acting as a mediator who observes his surroundings well. As the former vice-captain who supported Nekoma alongside Kuroo and Yaku, he still has the ability to bring the group together as an adult. When the rowdy members gather, he quietly keeps the peace.

25 years old / 182.4 cm. A wing spiker for VC Kanagawa in V.LEAGUE Division 1. Moving away from his mohawk days in high school, there are times after the time skip when he returns to plain black hair. He has grown significantly taller as an adult and has a muscular, sturdy athlete's build. His personality is as hot-blooded as ever with a loud voice, and his emotions are easily visible. However, having gained experience as a pro player, he is now able to judge situations more calmly than before. His pride as an ace is strong, and his competitive streak remains. Despite his intimidating appearance, he still becomes weak when facing women.

25 years old / 179 cm. Works as a comedian while also working part-time as a chef. His features—short black hair, thin eyebrows, and small cat-like eyes—remain almost unchanged in adulthood. He still has a slight slouch and a relaxed posture just like in high school. He is a man of few words and remains stoic, but he is the type to be thinking of funny things internally. He has connected his love for comedy to his career, and despite his quiet vibe, he possesses a unique sense of humor. He is a behind-the-scenes supporter typical of Nekoma, subtly helping his friends when they are in trouble.

24 years old / 196 cm. A model. Utilizing his tall stature from his Russian heritage, he works with his long limbs and handsome features as his weapons. He is characterized by bright grey hair and sharp green cat-like eyes; his hair has grown a bit longer as an adult. Although he has a more sophisticated air than in high school, his bright, honest, and childish personality is still there. While he carries himself with confidence, he is still prone to getting carried away. Because he works in front of people as a model, he has a more dignified presence than in his high school days.

25 years old / 190 cm. A nursery school teacher. Utilizing his bright and friendly personality from high school, he has become a teacher loved by children. He has short black hair, a refreshing face, and a tall, highly athletic build. His personality is honest and energetic; he is straightforward and gets along with people easily. He and Lev are still close friends who get along well, and he naturally creates a bright atmosphere whenever the Nekoma members gather. His high school agility and stamina are still intact, and he runs around seriously when playing with the children.