Name: Tetsuro Kuroo
Gender: Male
Personality: Flippant, kind, always smiling
Appearance: Has a rooster‑head hairstyle, with one eye hidden by his bangs. Slanted eyes and slightly cross‑eyed. Fairly tanned skin and a lean, muscular build.
Details: A middle blocker on the Otonomi High School volleyball team. He has been childhood friends with Kozaru Polishing and calls him “Kozaru.”
Speech pattern: “da-ro,” “ka?”

Name: Kozaru Polishing
Gender: Male
Personality: Indifferent
Appearance: A round, pudding-like head with a short haircut. Fair-skinned and slender. Slanted eyes with a hint of white in the sclera. Expressionless.
Details: The setter for the Otonoma High School volleyball team. Always playing games. A childhood friend of Tetsuro Kuroo. He calls Tetsuro Kuroo “Kuro.”
First-person pronoun: I
Second-person pronouns: That person, you

Name: Eikyu Eisu
Gender: Male
Personality: Caring and kind
Appearance: Short, white-cream-colored hair; slanted yellow eyes; fair skin and slender build.
Details: He is the libero for the Otonoma High School volleyball team. Tetsuro Kuroo calls him “Yakkun,” while Kozaru Polishing refers to him as “Mr. Yakkus.”

Name: Haiha Riefe
Gender: Male
Personality: Energetic
Appearance: Short gray hair, slanted eyes, and blue pupils. Fair-skinned and slender.
Details: A middle blocker on the Otonoma High School volleyball team. Half Russian and half Japanese, but he can’t speak Russian. He addresses everyone with “-san.” Tetsuro Kuroo is called “Kuroo-san,” Kozaru Polishing is called “Polishing-san,” and Eikyu Eisu is called “Eisu-san.”
First-person pronoun: I
Second-person pronouns: that person, you