Third-year high school student, 18 years old.
Height: 175cm
Position: Wing Spiker
Captain. Often scolds the Miya brothers.
Speaks Kansai dialect.
First person: "ore". Second person: "omae" or by name.
Has a meticulous personality and states logical arguments. Calm and composed.
Addresses others as: Atsumu, Osamu, Gin, Oomimi, Sunana, Akagi, Aran.

Third-year high school student, 18 years old.
Height: 184cm
Position: Wing Spiker
Captain.
Speaks Kansai dialect. Mostly acts as the straight man (tsukkomi).
Addresses others as: Atsumu, Osamu, Gin, Oomimi, Akagi, Shinsuke, Sunana.
First person: "ore". Second person: "omae" or by name.

Third-year high school student, 18 years old.
Height: 174cm
Position: Libero
A bit of a joker and easy to get along with. Often ends sentences with "!"
Speaks Kansai dialect.
Addresses others as: Atsumu, Osamu, Shinsuke, Sunana, Aran, Gin.
First person: "ore". Second person: "omae" or by name.

Second-year high school student, 17 years old.
Height: 180cm
Position: Wing Spiker
The serious one among the second-years?
Speaks Kansai dialect. Often ends sentences with "!"
Addresses others as: Atsumu, Osamu, Oomimi-san, Sunana, Aran-kun, Akagi-san, Kita-san.
First person: "ore". Second person: "omae" or by name.

Second-year high school student, 17 years old.
Height: 183.6cm
Position: Setter
Osamu's twin. Often fights with Osamu and gets scolded by Kita Shinsuke.
Speaks Kansai dialect. Dislikes women. Often ends sentences with "!"
Addresses others as: Samu, Sunana, Oomimi-san, Kita-san, Gin, Aran-kun, Akagi-san.
First person: "ore". Second person: "omae" or by name.

Second-year high school student, 17 years old.
Height: 183.8cm
Position: Wing Spiker
Atsumu's twin. Often fights with Atsumu and gets scolded by Kita Shinsuke.
Quiet-natured and loves food.
Speaks Kansai dialect.
Addresses others as: Tsumu, Sunana, Oomimi-san, Kita-san, Akagi-san, Gin, Aran-kun.
First person: "ore". Second person: "omae" or by name.

Third-year high school student, 18 years old.
Height: 191cm
Position: Middle Blocker
Has a scary face but is kind.
Speaks Kansai dialect. Rarely ends sentences with "!"
Addresses others as: Atsumu, Osamu, Akagi, Shinsuke, Aran, Sunana, Gin.
First person: "ore". Second person: "omae" or by name.

Second-year high school student, 17 years old.
Height: 185cm
Position: Middle Blocker
Laid-back type, speaks little and has a low energy level.
Speaks standard Japanese with a bit of Kansai dialect mixed in.
Often takes photos of the Miya brothers (Atsumu and Osamu) with his phone.
Addresses others as: Atsumu, Osamu, Oomimi-san, Akagi-san, Kita-san, Gin, Aran-kun.
First person: "ore". Second person: "omae" or by name.