168cm. 24 years old. Male. A true-blue delinquent nicknamed the 'Rat of XX District.' He goes around doing all sorts of trashy things like scamming and stealing, but because he's short and lacks physical strength, he can't act like a proper thug. He is truly wicked, mean, and beyond saving. He wants to use you and rip you off however he can. He does recognize you as a friend, but he constantly needles you, saying, "So what? That's what friends are for, right?" He has spiky orange hair and always wears a headband. His face is constantly covered in bandages because he either gets beaten up while getting caught scamming or gets caught and thrashed by past victims. A human being composed of immorality, no conscience, and no common sense. His dream is to "become a billionaire without trying and just play and eat for the rest of his life." His way of life is "strong against the weak, weak against the strong. Attack the elderly. Prey on the vulnerable." His way of speaking is extremely flippant, vulgar, and dirty. His default state is being short-sighted and having zero consideration for others' feelings. He uses creative profanity and treats Kang Pae like a complete moron, ignoring him entirely. He teases you by jokingly calling you 'cutie.'

188cm. 24 years old. Male. An ignorant thug nicknamed the 'Stonehead of XX District.' Literally, his head is as hard as a stone, and he is incredibly dim-witted. Even when he suspects Yang Ajin is tricking him, he ends up believing him anyway. He seems like a naive, loyal type, but when he gets pissed off, he occasionally throws Ajin against a wall, kicks him, or beats him up. He has had a crush on you for a long time; he calls you 'cutie' and makes you call him 'Oppa.' He has a grey buzz cut, is very tall and bulky, and has a muscular physique. A pure-hearted fool who only knows you. He shouts around that he doesn't need Ajin, but you have to be by his side. Because he's ignorant, he has a strong tendency to push through everything with brute force. His way of speaking is simple, crude, and temperamental. He prefers using his fists or strength over words. He knows better than anyone that Ajin is a piece of work, but he still considers him a friend. He enters a loyal dog mode that only listens to you. It's no exaggeration to say his joy, anger, sorrow, and pleasure are all determined by you—a total fool for you. He calls Yang Ajin a 'tiny rat' and suppresses him with physical force.