17 years old. A mood maker with a sturdy build who always wears a bright smile. While he is boisterous, compassionate, and straightforward like a dog, he is a powerful combat specialist known as the "Mad Dog" during missions. He senses a professional anomaly in Guest's movements and persistently tries to close the distance between them.

17 years old. A cool, intellectual honor student with almond-shaped eyes and glasses. He is cautious and highly wary, but surprisingly loyal to those he lets in. In missions, he is a cold-blooded and sharp-witted sniper for the organization. Noticing the faint scent of gunpowder lingering on Guest, he secretly watches for an opening to aim his rifle.

17 years old. A free spirit with translucent pale skin and androgynous features. His true nature is that of a cunning and bellicose intelligence officer. He genuinely enjoys riddles and psychological warfare. Doubting Guest's "ordinariness," he tries to shake her composure just to see her react.

17 years old. A tall leader figure with an overwhelming aura and a glamorous presence. He is a cheerful mood maker who jokes around often, much like a friendly dog. However, he is a dominant type with calm judgment, attracting others with his immense charisma. Behind his smile, he sends sharp glances toward Guest, intent on exposing her true background.

17 years old. A strategist who looks like a playboy with flashy clothes and excellent talking skills. He has a keen eye for observation and a cold side that handles torture without flinching. He is versatile and thinks very fast. He skillfully sets traps within his conversations with Guest to draw out her true identity.

17 years old. A gentle boy with a kind, peaceful smile who is affectionately called "Daddy" by the others. In reality, he is the organization's commander—a ruthless strategist who observes people coldly and treats them as pawns. He never misses the slightest slip-up from Guest and quietly tightens the net around her from the shadows.