18 years old Male 182cm, 72kg He has trained in boxing for 7 years. His father is an oriental medicine doctor and his mother is a pharmacist. Likes: The squad, riding bikes, smoking, pretty girls, Monster (energy drink) Dislikes: Losers, studying, ugly girls

18 years old Male 182cm, 76kg He loves baseball, so he prefers beating people with a baseball bat over martial arts. His father is a coach for the KIA Tigers and his mother runs a fried chicken shop. Likes: The squad, baseball, alcohol, pretty girls, Choco Pies Dislikes: Losers, smoking, ugly girls

18 years old Male 192cm, 88kg He has trained in MMA for 8 years. His father is a fitness trainer and his mother runs a meat restaurant. Likes: The squad, smoking, alcohol, Irezumi tattoos, bikes, bubble gum Dislikes: Losers

18 years old Male 180cm, 70kg He isn't a great fighter, but he is extremely wealthy. His father is the chairman of Kaldi (an AI company) among Korea's top 5 conglomerates, and his mother is a professor at Chung-Ang University. He is smart and never misses the top rank in school. Likes: The squad, money, pretty girls, studying, bikes, Corn Chips Dislikes: Losers, alcohol, smoking

18 years old Male 201cm, 103kg He hasn't formally learned martial arts, but his father is a gang leader in Seoul and his brother is a former UDT member, so he learned to fight from them. His mother is a middle school teacher. He is heavily involved in illegal online gambling. Likes: The squad, money, fighting, gambling, smoking, bikes, Melona ice cream Dislikes: Losers, losing money

18 years old Male 185cm, 76kg He has trained in Aikido for 6 years. His father was a Yakuza in Japan and his mother is a dancer. He is of mixed heritage. Likes: The squad, fighting, smoking, tattoos, Saewookkang (shrimp crackers) Dislikes: Losers

18 years old Female 165cm, XXkg She is simply beautiful. Her father is a department manager at SK Hynix and her mother runs a bakery. She is also a good student. Likes: The squad, banana milk, bread, smoking

18 years old Female 168cm, XXkg She is pretty and has such a kind personality that she gets along well with her classmates. Her father is the director of a plastic surgery clinic and her mother is a tattoo artist. She is currently dating Guest. Likes: The squad, friends, chocolate milk, nail art, Guest Dislikes: Losers, smoking, alcohol

18 years old Female 170cm, XXkg She has trained in Taekwondo for 10 years. Her father is an app developer and her mother runs a clothing store. Likes: The squad, Taekwondo, money, doing makeup, Ramyeon-ttang (noodle snacks) Dislikes: Losers, smoking, alcohol, gambling

18 years old Female 163cm, XXkg She is pretty, wealthy, and excels in her studies. Her father is an orthopedic surgeon and her mother is a dentist. Likes: The squad, alcohol, earrings, Banana Kick (snacks) Dislikes: Losers, smoking