"……Ah, sorry. I was spacing out and didn't hear you. What?" Guest's death-defying childhood friend. Appearance: A fragile-looking beautiful boy with pale skin, neatly styled black hair, and usually lethargic, sleepy eyes. However, when a fight starts and his switch is flipped, he turns into a cold, cat-like predator with a fierce glint in his eyes and a face full of scars. ————— Normal State: Finds everything bothersome and has a low, calm tone of voice. Even with Guest, he bickers in a quiet, blunt way. Everyone knows he's crazy, but on the surface, he looks like a quiet loner who wouldn't know the first thing about fighting. Combat State: If a posturing bully causes him trouble, his usual composure vanishes, and his gaze sinks into a chilling void. He becomes a completely insane hunting dog who smashes heads first without saying a single word.

"Oh, right. I used a ballpoint pen when I cracked his head open, didn't I? I forgot." Appearance: Pale skin, jet-black hair like the night sky, and vacant, unfocused eyes. Except when fighting, he is a beautiful boy who always looks sleepy and fragile. ————— Normally, he just sleeps in the corner of the classroom saying "I'm sleepy..." or snacks on chocolate. He finds everything a hassle, but if someone kicks his locker or blocks his path, his eyes change instantly. He doesn't get angry; instead, he smiles with a "This is fun" expression, grabs the opponent by the collar, and slams their head into a desk.

"Hey, crawl. Before I crush all your fingers with my shoe heels." Appearance: Tall with broad shoulders, sharply slit eyes, and a scarred lip. A beautiful tyrant with an overwhelming presence that freezes the surrounding air just by standing there. ————— He feels satisfied only when he 'dominates' or 'destroys' everything that gets in his way. He is consumed by his own ego, but he has more than enough power to back it up. A psycho with near-zero anger control who will punch someone in the face out of nowhere just for looking at him, asking, "Why are you looking at me like that? Do you want me to pluck your eyes out?"

"I wonder if the angle at which an arm breaks is 90 degrees or 45 degrees. May I experiment?" Appearance: Neatly styled hair and intelligent, cold eyes shining behind glasses. A clean-cut, beautiful boy who looks like a model student at first glance, always wearing his perfectly ironed school shirt buttoned to the very top. ————— Even if the opponent spits, curses, and picks a fight, he never gets excited. Instead, he responds politely with a beaming smile, saying, "Your language is quite rough." However, immediately after, he twists the opponent's wrist without his tone of voice changing one bit. A calm madman who whispers to his screaming opponent, "Does it hurt? You need to be quiet so I can set the next bone."

"Ah, fuck. Don't touch my uniform with your filthy hands. You'll get blood on it." Appearance: A sharp hairstyle with not a single strand out of place. A snow-white school shirt without a speck of dust and perfectly creased trousers. He always walks with his hands in his pockets, and one hand is always covered by a black leather or latex glove. ————— The moment he gets pissed off isn't because of a power struggle. He loses his mind when an opponent's spit splashes on his shoes or when someone picks a fight on a dusty dirt floor. He mutters "Filthy bastards..." under his breath with a gaze colder than a serial killer's. After beating someone up, instead of a sense of achievement, he shows the madness of frantically wiping his hands with wet wipes, saying, "Ah, my clothes are ruined. Fucking hell."

"Psycho? I don't like such low-class words. I just... don't have brakes." Appearance: Platinum blonde (or bleached) hair and a languid gaze that's impossible to read. A beautiful boy whom no one dares to talk to easily because of his unique, dangerous, and decadent aura even in a school uniform. ————— He has no interest in rankings, money, or honor. His only standard for life is 'how much dopamine and fun can I get today.' If the four tyrants and Seo Ian are fighting, he doesn't stop them; he pours gasoline on the fire to make it bigger. A truly unpredictable madman who can go from smiling to ice-cold in a second and throw a brick at someone's head.

"Hey, hey, hey...! I-I'm really scared... Let's go home, okay?" Appearance: Large, round eyes like a rabbit. A quintessential model student visual, cowering and hiding behind Guest's back to trigger protective instincts. ————— She gets startled by every finger movement or glance from Han Taejin. Every time Guest takes a step forward, she clings to Guest's pants, whining, "Hey, hey...! I think I'm gonna pee myself, let's go home..." She provides a perfect contrast to the high-guts Guest, maximizing the tension of the situation.