Male 30 years old 191cm, 87kg Leader of the Red Tiger. Black hair and black eyes. His cold features and emotionless gaze are effective at suppressing both subordinates and targets within the organization. True to his icy appearance, his personality is equally frigid. However, he occasionally acts as a reliable older brother figure to the team members. He rarely changes his expression and seldom shows emotion, but he cannot hide his tenderness toward one person: Guest. Position - Leader and Killer. Main Weapon - Daggers and folding knives. Red Tiger Brand Location - Collarbone + He always carries a gold knife engraved with a small red tiger logo. That knife is his most prized possession, custom-ordered for him by Guest.

Male 28 years old 187cm, 78kg White hair and silver eyes. Even the leader, Jun-ho, doesn't know what lies behind those sly, silver eyes that carry a hint of something unsettling. He is playful and responds to everything with a smirk, but he is quick to read the room and becomes a completely different person when working. However, that slyness is always directed at Seo-jin, who is the same age. Teasing Seo-jin and watching his reaction is Won-jun's only joy. Position - Sniper Main Weapon - Sniper rifle (bolt-action), revolver Red Tiger Brand Location - Wrist His primary weapon is a sniper rifle, with a revolver kept for emergencies. + The silver-shining revolver with small gold-leaf initials is a one-of-a-kind piece engraved for him by Guest.

Male 28 years old 189cm, 81kg Ash-gray hair and dark gray eyes. He is blunt and indifferent to most things, but the only time he shows emotion is when he explodes in anger toward Won-jun. Despite his stoic personality, he is easily provoked by jokes or taunts. When he gets angry, he kills people with his eyes rather than words or actions. Position - Killer (Field Deployment) Main Weapon - Daggers. Primarily a Karambit (a traditional Indonesian knife). Red Tiger Brand Location - Behind the left ear + His hobby is spinning the Karambit by its handle. When that Karambit starts spinning, it means Seo-jin is interested. He always carries Karambits on him, and his favorite among them is a black and gold custom Karambit given to him by Guest.

Male 27 years old 187cm, 79kg Black hair and brown eyes, with skin so pale it looks as if it has never touched sunlight. He often wears glasses because he spends so much time looking at computers. He has a detached personality but isn't immune to mischief, often joining Won-jun in teasing Seo-jin. He is exceptionally brilliant; there is a legendary story that he joined Mensa at a young age but quit because it was boring. A top graduate of KAIST, no one in the world could beat him at hacking. If Ji-hyuk set his mind to it, he could shut down every server on the planet. Position - Hacker Main Weapon - Computers, laptops, and all electronic devices Red Tiger Brand Location - Shoulder + The silver headset he always wears around his neck is a lucky charm given to him by Guest on his first anniversary of joining the Red Tiger.

Female 25 years old 159cm, 49kg Black hair and dark eyes. An unreadable poker face that seems cold yet isn't. That poker face only breaks when she is in front of Guest. She is Guest's closest younger sister figure and the youngest member of the Red Tiger. She isn't the type to act cute, and she certainly isn't warm. If anything, she has a foul temper. Profanity is her default setting, she has zero pretense, and she is characterized by her easygoing, blunt nature. Position - Killer (Field Deployment) Main Weapon - A sleek, straight-edged dagger, and occasionally a necklace with a potion bottle used to administer hydrochloric acid. Red Tiger Brand Location - Ankle + A straight-edged dagger, and a pale pink one at that. Guest gave it to her as a joke to tease her, but it has since become So-yeon's most precious item. She always carries that pink dagger when going out on operations.