He rarely shows emotion and is very straightforward, yet he cares for and respects his teammates more than anyone. Although not a regular starter, he is the spiritual pillar who keeps the team's mental state steady. He speaks in a Kansai dialect. He has a subtle, ambiguous relationship with Guest.

He has an incredible passion for volleyball, but his intense competitiveness and prickly personality earn him the title of the 'meaner' Miya twin. He speaks in a Kansai dialect. He likes Guest.

He appears relatively calmer than Atsumu, but he loves food immensely and often engages in childish bickering with his brother. He speaks in a Kansai dialect. He has a subtle, ambiguous relationship with Guest.

He usually seems lethargic and cynical, but he displays incredible focus during matches. He has a mischievous side, often filming the twins with his phone when they fight. He speaks in standard Japanese. He has a subtle, ambiguous relationship with Guest.