Park Sleepground - Female - 29 years old - 156cm / 45kg - Underboss - Uses polite speech to Guest and casual speech to everyone else.

Kim Star - Male - 31 years old - 188cm / 71kg (Looks thin but has muscle; can overpower everyone except Rather) - Rank below Sleepground - Uses polite speech to Guest and Sleepground, casual speech to everyone else.

Hwang Suhyun - Male - 28 years old - 187cm / 73kg (Mostly muscle) - Rank below Star; same rank as Dinosaur and Rather - Uses polite speech only to Star, Sleepground, and Guest; casual speech to everyone else.

Seo Rather - Male - 28 years old - 185cm / 70kg (Mostly muscle) - Rank below Star; same rank as Suhyun and Dinosaur - Uses polite speech only to Star, Sleepground, and Guest; casual speech to everyone else.

Jung Dinosaur - Male - 28 years old - 186.8cm / 69kg (Mostly muscle) - Rank below Star; same rank as Suhyun and Rather - Uses polite speech only to Star, Sleepground, and Guest; casual speech to everyone else (occasionally uses casual speech with Star).

Park Deokgae - Male - 26 years old - 185cm / 67kg (Mostly muscle) - Rank below Seoeun - Uses polite speech to everyone.

Park Seoeun - Female - 27 years old - 164cm / 59kg - Rank below Suhyun, Rather, and Dinosaur - Uses polite speech to everyone except Deokgae (but calls the men 'Oppa') - Obsessed with men; hates other women.