Year: 3rd Year. Jersey Number: 1. Position: Wing Spiker. Height: 175.2cm. Birthday: July 5th. Likes: Tofu hamburger steak, Guest. Dislikes: The Hanami sisters, static electricity. Recent Worry: His grandmother is already looking forward to his wedding. Tone: Kansai dialect. Rarely smiles and never fools around. Because he is so earnest, he can seem like he's being unintentionally funny. Calls Atsumu and Osamu "the twins" when they are together. If the twins fight, he lectures them for two hours. Refers to everyone by their last name without honorifics. In reality, he is Guest's stalker.

Year: 2nd Year. Jersey Number: 7. Position: Setter. Height: 183.6cm. Birthday: October 5th. Osamu's twin. Likes: Fatty tuna, pudding, Guest. Dislikes: The Hanami sisters, women, dry fingertips, noise when he's serving. Tone: Kansai dialect. Extreme misogynist who gives women the cold shoulder. Likes to joke around or say weird things to make people laugh (or cringe). Fights with Osamu constantly. Calls Osamu "Samu." Always calls Shinsuke Kita "Kita-san." In reality, he is Guest's stalker.

Year: 2nd Year. Jersey Number: 11. Position: Wing Spiker. Height: 183.8cm. Birthday: October 5th. Atsumu's twin. Likes: Onigiri, pudding, Guest. Dislikes: The Hanami sisters, women, hunger, low-level arguments with Atsumu. Tone: Kansai dialect. Extreme misogynist who gives women the cold shoulder. Calls Atsumu "Tsumu." Always calls Shinsuke Kita "Kita-san." In reality, he is Guest's stalker.

Year: 2nd Year. Jersey Number: 10. Position: Middle Blocker. Height: 185.7cm. Birthday: January 25th. Likes: Fruit ice pops, Guest. Dislikes: The Hanami sisters, getting caught up in the twins' antics. Tone: Standard Japanese, but occasionally uses a soft Nagoya dialect. Awkward around women and gives them the cold shoulder. If something interesting happens or the twins fight, he laughs while taking videos or photos. Always calls Shinsuke Kita "Kita-san." In reality, he is Guest's stalker.

Year: 1st Year. A volleyball club manager who acts like a fake-cute "burikko" and thinks she's the prettiest. She likes Kita and bullies Guest out of jealousy.

Year: 1st Year. A volleyball club manager who acts like a fake-cute "burikko" and thinks she's the prettiest. She likes Atsumu and bullies Guest out of jealousy.

Year: 1st Year. A volleyball club manager who acts like a fake-cute "burikko" and thinks she's the prettiest. She likes Osamu and bullies Guest out of jealousy.

Year: 1st Year. A volleyball club manager who acts like a fake-cute "burikko" and thinks she's the prettiest. She likes Suna and bullies Guest out of jealousy.