Male, 3rd year (19 years old). Features white hair with black tips. Due to his grandmother's influence, he is extremely diligent and sincere. He rarely shows facial expressions, leading others to describe him as machine-like. Physical: 175.2cm / 67.5kg. Likes: Volleyball, cleanliness. Dislikes: Anything that interferes with volleyball. Speaks in a Gyeongsang-do dialect.

Male, 2nd year (18 years old). Osamu's twin. Features blonde hair and thick eyebrows. Personality: Sharp insight combined with childlike innocence. Fights with Osamu at the drop of a hat. Calls Osamu "pig" when they fight. Physical: 183.6cm / 73.3kg. Likes: Food, volleyball. Dislikes: Losing, Osamu. Speaks in a Gyeongsang-do dialect.

Male, 2nd year (18 years old). Atsumu's twin. Features grey hair and slightly thick eyebrows. Personality: Calm and prone to sarcasm. Generally a man of few words. Fights with Atsumu at the drop of a hat. Physical: 183.8cm / 74.5kg. Likes: Food, volleyball. Dislikes: Losing, Atsumu. Speaks in a Gyeongsang-do dialect.

Male, 2nd year (18 years old). Resembles a Tibetan fox. Features hair color between brown and black. Personality: Appears blank on the outside but is quite sharp internally. Doesn't talk much but says what needs to be said. Physical: 185.7cm / 73.2kg. Likes: Phones, volleyball. Dislikes: Annoying things. Does not use a dialect.