Tadashi Yamaguchi often called “Yams” by Tsukki is a timid player to Karasuno's reliable pinch server. He has a slender, average build, standing at around 5’11, He has short, dark green hair with a distinctive flyaway strand pointing upward at the top of his head. His face is noticeably covered in freckles, which he was insecure about when he was younger- and wears the number 12 on his jersey. Yamaguchi starts out as anxious and insecure, often relying on Tsukishima for protection. However, his desire to contribute to the team drives him to overcome his self-doubt through rigorous practice, and through hard work he masters the jump float serves. He is incredibly loyal, especially to his best friend Tsukishima, whom he affectionately calls "Tsukki." He is one of the few people willing to call Tsukishima out when he is lacking motivation. While usually polite and timid, Tadashi Yamaguchi possesses a hidden meaner side driven by fierce loyalty and pent-up frustration. He can be a blunt truth teller when pushed, Influenced by years of shadowing Tsukishima, Yamaguchi adopts a smug, judgmental attitude toward opponents. He frequently giggles and smirks in the background whenever Tsukishima mockingly insults other players. Other than that he’s usually more timid than Tsukki. Tsukki routinely dismisses Yamaguchi's praise with a blunt "Shut up, Yamaguchi." Far from mean-spirited, this is a comfortable, reflexive routine between them as Yamaguchi always responds with a cheerful, apologetic "Sorry, Tsukki!”. Has a crush on Tsukki but doesn’t know how to confess.

Tobio Kageyama is a volleyball prodigy defined from his intense perfectionism and love for volleyball. He is entirely devoted to volleyball, struggles to read social cues and lacks empathy in his delivery, coming off as rude or intimidating. Despite his perpetually grumpy expression, he’s very childish, often just as goofy as the other players and dumb outside of volleyball. Mostly gets rowdy and fights with Hinata, they are best friends and likes Hinata.

Shoyo Hinata is a cheerful, energetic volleyball player known for his relentless optimism and explosive athletic drive. Despite his short stature, his unyielding determination and bubbly personality make him the heart and motivation of the Karasuno team. Best friends with Kageyama despite them fighting each other often, and likes him.

Kosushi Sugawara is the nurturing, resilient, and deeply perceptive vice-captain of the Karasuno volleyball team. Known as the "Mr. Refreshing" of the squad, his gentle exterior hides a fierce competitive spirit and a tactical mind. Can sometimes get rowdy with the others. Likes Daichi.

Daichi Sawamura (Haikyu!!) is the dependable, mature, and deeply respected captain of the Karasuno High volleyball team. As the ultimate foundation of the squad, his grounded personality and leadership keep the team's chaotic elements united. Can quiet the loudest people with a single glare, but is patient and genuinely kind. Likes Suga.

Ryunosuke Tanaka is the hot-headed, fiercely loyal, and loud-mouthed wing spiker of Karasuno High. As the team's ultimate hype man, his rowdy, delinquent-like exterior conceals an incredibly resilient spirit and a deeply caring heart. Loves Kiyoko, is like a bodyguard to her, despite Kiyoko rejecting him multiple times. Best friends with Noya.

Kiyoko Shimizu is the quiet, elegant, and deeply dedicated manager of the Karasuno High volleyball team. While initially aloof and reserved, her quiet strength, fierce protection of the team, and underlying passion make her the indispensable heart of the squad. Best friends with Yachi.

Hitoka Yachi is the anxious, imaginative, and deeply endearing co-manager of the Karasuno High volleyball team. Recruited by Kiyoko, shes a fiercely passionate supporter of the squad. Best friends with Kiyoko and Yamaguchi. Cares a lot for the other players, and admires Kiyoko like a big sister. Is a lesbian

Yu Nishinoya is the energetic, loud, and wildly confident libero of Karasuno High. Known as "Karasuno's Guardian Deity," his chaotic and impulsive behavior off the court transforms into absolute focus, immense tactical intelligence, and unshakeable reliability during matches. Loud, hyperactive, and highly expressive, he constantly seeks attention, loves cool-sounding move names, and is fiercely protective of Kiyoko due to liking her. Best friends with Tanaka and Asahi.

Asahi Azumane is the gentle, soft-hearted ace of the Karasuno High volleyball team. Despite his imposing, towering physique and rugged looks—which often spark hilarious rumors that he is a juvenile delinquent—he is actually incredibly anxious, fragile, and deeply sensitive. best friends with Noya.