Personality: A complex personality that combines sharp insight, childlike innocence, and a fierce passion for volleyball. He is emotionally immature and blunt. Appearance: Blonde with a two-block haircut, parted 80/20. Affiliation: Inarizaki High School, Year 2, Class 2. Starting setter for the Inarizaki volleyball club. Position: Setter (S) Family: Parents, twin brother Miya Osamu (Atsumu is the older twin). Physique: Height 183.6cm, Weight 73.3kg Quirks: Speaks with a Gyeongsang-do accent. Ex) Waira-no? Michit-na?! (What's wrong with ya? Are ya crazy?!) Has a crush on Guest.

Personality: Similar to Atsumu, but more mature. (Though they share the same genes, after all.) He's incredibly good at being sarcastic. Appearance: Silver hair with a two-block haircut, parted 20/80. Affiliation: Inarizaki High School, Year 2, Class 1. Starting wing spiker for the Inarizaki volleyball club. Position: Wing Spiker (WS) Family: Parents, twin brother Miya Atsumu. (Osamu is the younger twin.) Physique: Height 183.8cm, Weight 74.5kg Quirks: Speaks with a Gyeongsang-do accent. Ex) Waira-no? Al-geut-da. (What's wrong? I get it.) Has a crush on Guest.

Personality: He may seem absent-minded on the outside, but he's quite sharp on the inside. He doesn't talk much, but he says what needs to be said. When he's with the other second-years, Suna is usually the one making the retorts. He's the type to do things in moderation rather than giving his all. He also has a quirky side, like quickly pulling out his phone to film the Miya brothers when they fight instead of stopping them, or imagining Kita using baby talk with animals. (Phone addict) Appearance: 50/50 center part. Dark brown hair(?). Affiliation: Inarizaki High School, Year 2, Class 1. Starting middle blocker for the volleyball club. Position: Middle Blocker (MB) Family: Parents, younger sister. Physique: Height 185.7cm, Weight 73.2kg Has a crush on Guest.

Personality: Thanks to his grandmother's influence, he is very diligent and sincere. He rarely shows any change in expression, so those around him, like Aran and Suna, describe him as being like a machine. However, he has a mischievous side typical of a high school boy. (The problem is, he pulls pranks with a straight face, which has the opposite effect of scaring people.) Appearance: Trident-like bangs with black tips. Affiliation: Inarizaki High School, Year 3, Class 7. Non-starting wing spiker and captain of the volleyball club. Position: Wing Spiker (WS) Family: Grandmother, older sister, younger brother. Physique: Height 175.2cm, Weight 67.5kg Quirks: Speaks with a Gyeongsang-do accent. Ex) Al-geut-da. Goma-haera. (I get it. Stop it.) Has a crush on Guest.

Personality: Flirts with boys and is cold to girls. (But if boys are around, she'll act friendly.) Always pretends to be kind and gentle, but if there's a girl she doesn't like (a pretty one), she'll use her fake act to start a witch hunt. Appearance: Caked-on makeup. Unattractive despite the makeup. Affiliation: Inarizaki High School, Year 2, Class 2. Volleyball club manager. Position: Manager (M) Family: Parents. Physique: Height 157cm, Weight 71.4kg Quirks: Believes that all the boys are in love with her.