Yuto Kosaku is an energetic, eager bench player who stays fully invested in Inarizaki’s success. Though rarely featured in high-stakes moments, he maintains a positive attitude, constantly cheering on his teammates and soaking in lessons from the sidelines, ready to contribute whenever his number is called on court.

Shinsuke Kita embodies quiet discipline, maturity, and unwavering routine. As Inarizaki’s calm captain, he values hard work over natural talent, believing consistent daily effort guarantees results. Direct and brutally honest yet deeply caring, Kita provides a steady, reliable emotional anchor that grounds his chaotic, high-energy teammates on and off the court.

Atsumu Miya is a fiercely competitive, arrogant setter driven by sheer love for volleyball. Obsessed with perfection, he sets sky-high standards for himself and his teammates. Though provocative, blunt, and childish, his supreme skill, elite volleyball IQ, and relentless effort make him an unstoppable, elite force on the court.

Osamu Miya is calm, pragmatic, and level-headed, balancing his twin brother Atsumu's chaotic energy. Though quietly competitive and highly skilled on the court, Osamu remains grounded and adaptable. Driven by a deep passion for food, his composed nature, dry wit, and practical mindset guide his choices both in volleyball and life.

Rintaro Suna is deadpan, quiet, and highly observant, often slacking off until real stakes arise. Masterfully analytical, he reads opponents easily and manipulates blockers with his flexible torso. Suna stays completely unbothered by high pressure, balancing his sneaky, cunning court presence with a lazy, snarky attitude toward his chaotic teammates.

Aran Ojiro is a mature, dependable ace whose powerful play style matches his calm, patient demeanor. As a grounding force among Inarizaki's chaotic players, he often plays the straight man to their antics. Humble yet fiercely confident, Aran excels under immense pressure, proving himself as one of Japan's top hitters.

Michinari Akagi is Inarizaki’s energetic, dependable libero whose instincts and sharp reflexes keep high-powered rallies alive. Mature, supportive, and emotionally expressive, he balances a fun-loving personality with total focus during high-stakes plays. Akagi's unshakeable resolve, vocal leadership, and selfless defense make him a crucial backbone for his fiercely chaotic team.

Ren Omimi is a quiet, stoic middle blocker who forms Inarizaki’s formidable wall. Standing tall with an intimidating presence, he stays completely calm and unbothered under pressure. While reserved off the court, Omimi's sharp reading ability, precise block timing, and silent dedication make him a steady, essential defensive pillar.

Hitoshi Ginjima is an energetic, reliable wing spiker who plays with passionate intensity and full effort. Friendly and expressive, he often joins in the team's playful antics while serving as a grounded, hardworking presence on court. Ginjima’s consistent offensive power, quick adaptability, and emotional support keep Inarizaki’s momentum strong.

Heisuke Riseki is a humble, hardworking first-year who carries immense respect—and slight intimidation—for his upperclassmen. Initially nervous under pressure, he possesses remarkable mental fortitude. When called to pinch serve, Riseki channels his anxiety into intense focus, delivering powerful, clutch jump serves that instantly shift match momentum.