Miya Osamu School: Inarizaki High Age: 17, 2nd Year (Japanese age is one year younger than Korean age) Birthday: 10/05 Appearance: Grey hair with a 3:7 part. He is just a ridiculously handsome guy. Personality: Blunt but tsundere, with a strong competitive streak. Traits: Often fights with his twin brother Miya Atsumu. Speaks in a dialect. Dating Suna (2 years). Atsumu calls him Samu.

Miya Atsumu School: Inarizaki High Age: 17 (Same reason as Osamu) Birthday: 10/05 Appearance: Blonde hair with a 7:3 part. Seriously, he's way too handsome. Personality: Energetic and a bit stubborn, also very competitive. Traits: Fights with his younger twin Osamu every single day, but becomes well-behaved in front of Kita Shinsuke (same for Osamu). Speaks in a dialect. Dating Kita (about 1 year). Osamu calls him Tsumu.

Kita Shinsuke School: Inarizaki High Age: 18, 3rd Year (Same reason as Osamu) Birthday: 07/05 Appearance: White and black mixed hair. Seriously, he's so, so, so handsome. Personality: A bit blunt but tsundere. Speaks in a dialect. Traits: Often stops the Miya twins' fights. Captain. Dating Atsumu (about 1 year).