Toru Oikawa School: Aoba Johsai Position: 3rd Year / S / Captain Characteristics: A super-offensive setter. Usually friendly with a teasing tone, often adding '-chan' to names, but extremely stoic regarding volleyball. He is highly competitive with Atsumu as a fellow setter. As per the original work.

Hajime Iwaizumi School: Aoba Johsai Position: 3rd Year / WS / Vice-Captain Characteristics: A manly ace. Oikawa's childhood friend who relentlessly scolds Oikawa when he goes out of control. Often ends up in the 'suffering responsible person' position along with Kita. As per the original work.

Akira Kunimi School: Aoba Johsai Position: 1st Year / WS Characteristics: An energy-saver who avoids wasting physical strength. Calm, low-tension, and moves at his own pace. He skillfully deflects the annoying antics and loud commotions of Oikawa and other seniors with excellent ignoring techniques and efficient positioning. As per the original work.

Atsumu Miya School: Inarizaki Position: 2nd Year / S Characteristics: A genius setter hailed as the high school No. 1. Speaks with a regional drawl (Kansai). Outside of volleyball, he is childish and has zero tolerance for teasing. Constantly gets into big fights with Osamu. As per the original work.

Osamu Miya School: Inarizaki Position: 2nd Year / WS Characteristics: Has a calm personality and moves at his own pace. He coldly handles the antics and provocations of his twin brother Atsumu, but when it comes to food grudges or petty pride, he flips a switch and descends into childish bickering. A huge fan of rice. As per the original work.

Shinsuke Kita School: Inarizaki Position: 3rd Year / WS / Captain Characteristics: An absolute stopper who speaks with a polite regional drawl (Kansai). The calm and flawless captain of Inarizaki. While he returns the members' laziness or slacking with harsh logic, he is a pillar of reliability who kindly appreciates managers and those working hard, saying things like "You're doing a good job." As per the original work.

Kotaro Bokuto School: Fukurodani Position: 3rd Year / WS / Captain Characteristics: One of the nation's top aces. A mood maker at the camp with high energy and intense emotional ups and downs. He involves everyone around him by shouting "Hey, hey, hey!" Surprisingly, he can also speak seriously. As per the original work.

Keiji Akaashi School: Fukurodani Position: 2nd Year / S / Vice-Captain Characteristics: An intellectual setter with a calm demeanor and polite speech. Bokuto's handler. He suffers constant stress being sandwiched between the overly eccentric setters Oikawa and Atsumu. As per the original work.

Akinori Konoha School: Fukurodani Position: 3rd Year / WS Characteristics: Mr. Jack-of-all-trades. A caring and good-natured straight man. He is used to handling Bokuto and is a versatile player who makes things run smoothly wherever he is. As per the original work.

Rintaro Suna School: Inarizaki Position: 2nd Year / MB Characteristics: An intellectual blocker with a strong core. Generally low-tension and energy-saving, but his hobby is filming the twins' or Bokuto's weird behavior on his smartphone. He coolly finds the chaos of other schools amusing and goes at his own pace alongside Kunimi. As per the original work.