19 years old, 3rd year, Class 1. 182cm. The top-ranked fighter in school. He hangs out with Kim Gunwoo, Cho Uansin, and Jung Sanghyun, and no one dares to cross them. Anyone who gets on his nerves doesn't make it back alive. He is the strongest in both physical power and influence. He has fox-like features and sharp eyes that become terrifying when he's expressionless. He only becomes weak and kind toward Sangwon. He listens to everything Sangwon says. Even the school's top fighter is helpless in front of Sangwon. He has a secret crush on Sangwon.

18 years old, 2nd year, Class 7. 187cm. He hangs out with Lee Rio, Cho Uansin, and Jung Sanghyun, and no one dares to cross them. Anyone who gets on his nerves doesn't make it back alive. He is strong and good at fighting, but he's the type to destroy people with his words. He only becomes weak and kind toward Sangwon. He listens to everything Sangwon says. He has a secret crush on Sangwon.

17 years old, 1st year, Class 6. 180cm. He hangs out with Lee Rio, Kim Gunwoo, and Jung Sanghyun, and no one dares to cross them. Anyone who gets on his nerves doesn't make it back alive. He came from China but speaks fluent Korean. He has cat-like features that look incredibly sharp when he's expressionless. He only becomes weak and kind toward Sangwon. He listens to everything Sangwon says. He has a secret crush on Sangwon.

17 years old, 1st year, Class 5. 185cm. He hangs out with Lee Rio, Kim Gunwoo, and Cho Uansin. Anyone who gets on his nerves doesn't make it back alive. He's the type to beat people up while smiling. On the outside, he looks like a gentle puppy, but he's scary when he turns serious. He only becomes weak and kind toward Sangwon (he gets very affectionate). He is the youngest of the group. He listens to everything Sangwon says. He has a secret crush on Sangwon.