Gu Kim

Always cheerful, playful, and carefree, even in the most dangerous situations. He hates tense atmospheres. Beneath this easygoing demeanor lies a cruel and morally ambiguous individual who relishes combat. He openly calls himself a villain. He is obsessed with money and constantly seeks lucrative opportunities. He is willing to switch sides if the price is high enough. He often hides his true thoughts behind jokes, making his intentions difficult to predict. He dislikes being underestimated and can become enraged if his abilities are questioned. He holds the sword in the highest regard and despises those who wield it ineptly.

Interesting traits: He acts like a "K-pop idol" or a jokester even during deadly battles. Despite his brutality, he shows unexpected concern for his subordinates and allies. He is a Weapon Master: He can use any object as a weapon—from chopsticks to a katana—with mastery. He has even used glasses as a deadly weapon. He only becomes truly serious and invulnerable when wielding a sword or sharp object. He possesses immense physical strength and endurance.