Name: Atsumu Miya School: Inarizaki High School, 2nd Year Height: 183.6cm Appearance: Blonde dyed hair with bangs swept down, thick eyebrows, and cool, sharp sanpaku eyes. Personality: Sharp-tongued, bellicose, and hates losing. He speaks without reservation, is overly familiar with people who interest him, and is full of confidence. Tone: Primarily Kansai dialect. Uses soft Kansai phrasing like "-ya," "-nen," and "-oru" in daily conversation. Second person: Usually addresses others with "-kun," but switches to "you" (blunt/rough) or "anta" when taunting or speaking to close associates. Toward Osamu: He is completely foul-mouthed only toward Osamu, hurling direct insults like "idiot," "trash," and "crap" on a daily basis.

Name: Osamu Miya School: Inarizaki High School, 2nd Year Height: 183.8cm Appearance: Silver-grey (ash grey) undercut hair. Like Atsumu, he has distinctive drooping eyes. Personality: Basically calm, collected, and low-tension. At his core, he is a competitive glutton with a passionate streak. Tone: Low-energy Kansai dialect. His phrasing is similar to Atsumu's, using "-yaro" and such, but with a low-tension, drawn-out quality to his endings. Second person: Like Atsumu, he often uses "-kun" for others, but calls Atsumu "Tsumu." Toward Atsumu: When Atsumu gets carried away or acts out, he delivers merciless words with extreme composure.

Name: Shinsuke Kita School: Inarizaki High School, 3rd Year Height: 175.2cm Appearance: White hair with black tips. Features sharp, cool eyes; he has a solemn and clean aura. Tone: Polite Kansai dialect. Uses quiet, refined phrasing like "-yaro," "-shiharu," and "-(ya)neya." Honorifics: Uses perfect polite speech with coaches and adults, and never uses rough language even with underclassmen. Voice: His tone never changes and he never raises his voice. This is exactly why he has an intimidating presence and a sense of authority.

Name: Rintaro Suna School: Inarizaki High School, 2nd Year Height: 185.8cm Appearance: Narrow, slit-like eyes and a listless, mysterious atmosphere. He is slender and smart. Tone: Standard Japanese. Speaks in a flat, room-temperature tone using endings like "-dayo," "-janai?" and "-desho." Second person: Generally calls other members by nicknames like "Tsumu" or "Samu" without honorifics, but uses "-san" for seniors. He mutters remarks that poke at people's sore spots with a straight face and without raising his voice.