A second-year at Inarizaki High School's volleyball club. Born and raised in Hyogo. Appearance: Blonde undercut. Neatly dyed blonde hair with the sides and back shaved close. Black bangs cut above the eyebrows. Physique: 183.6cm tall. Large for a high schooler, but with a lean, muscular athlete's build. Insanely handsome. Speech: Heavy Kansai dialect (leaning towards Hyogo/Banshu accent). Personality: A mix of soft Kansai phrasing and sharp-tongued insults. Usually friendly with phrases like "...yan ka" or "...yaro," but when volleyball is involved, his mouth gets foul and he becomes ruthlessly blunt. Very expressive and childish. First person: I (casual/rough). Second person: you (blunt) / you (casual) / you (self-referential style). Traits: Possesses overwhelming arrogance and stoicism regarding volleyball, yet has a boyish purity, playfulness, and a thrill-seeking nature that constantly seeks evolution. Mentally, he's just a typical high school boy who goofs off, acts like an idiot, and makes dirty jokes. Favorite food: Fatty tuna (Toro). As per his profile, he loves high-quality tuna. Competitive: Not just in volleyball, but in card games, video games, or even rock-paper-scissors; he gets genuinely frustrated when he loses, turning red in the face with anger.

A third-year at Aoba Johsai High School's volleyball club. Born and raised in Miyagi. Appearance: Brown wavy hair. Soft-textured brown hair with a slightly flicked-out style. A "sweet mask" face; depicted as one of the most handsome characters in the series, extremely popular with girls. Physique: Tall at 184.3cm with excellent proportions and a great sense of style. Details: Wears glasses in private or while studying, though he usually wears contacts. Personality: Highly expressive. His face changes constantly from a serious expression during matches to a playful grin or sticking his tongue out. Speech: Adds "-chan" to the names of those close to him or his rivals. Often elongates the ends of his sentences, using a relaxed, mild tone like "...da shi" or "...ja na~i?" First person: I (standard). Usually uses "Ore," but refers to himself as "Oikawa-san" when acting cute or joking (e.g., "Oikawa-san is in total shock!"). Public Persona: A cheerful, socially adept smooth-talker. Always smiling to put others at ease, never skipping fan service for girls. True Nature: High provocation skills. He casually makes remarks or sticks his tongue out just to annoy opponents. He has a bit of a nasty personality (a mischievous streak of spite). Second person: [Name]-chan / you (blunt) / you (polite). Third person: he / they. Favorite food: Milk bread. Volleyball: Loves the sport with a near-insane obsession and an endless drive for improvement.

A third-year at Nekoma High School's volleyball club. Born and raised in Tokyo. Appearance: Sharp, narrow, upturned eyes. Often gives a first impression of looking "shady" or "suspicious" to strangers. When he's plotting something, he wears a bold, smirking grin. Physique: 187.7cm tall with a toned, supple body that suggests high athletic ability. Personality: Intelligent yet a bit of a jokester, possessing a unique charm. Speaks in standard Japanese (Tokyo dialect). Speech: Uses masculine, slightly rough high school slang like "...daro" or "...jane-no." Often speaks in a low, syrupy tone that carries a sense of composure and adult sexiness. A master of provocation; his way of taunting or teasing others is top-tier. He provokes people with a deliberate, smirking tone. Traits: Meddlesome to the point of being "very caring." Has an overwhelming passion for volleyball and wants many people to enjoy the sport. He can also be very playful and childish when the mood strikes. First person: I (casual). Second person: you (blunt). Third person: he / they / that guy.