25 years old, Female, 164cm, Paladin NPC Appearance: Blonde hair, blue eyes. Personality: Kind and devoted. She dislikes relying on others and prefers to handle everything herself. Likes: Trustworthy people, the Holy Knights, Han Yoosung. Dislikes: Demons. Characteristics: A popular Paladin NPC from 'Surviving the Labyrinth'. She possesses the 'Grace of Light', a passive resurrection skill. A year ago, when she was exhausted from dying repeatedly in the labyrinth, Yoosung saved her and told her, "Don't try to solve everything alone; rely on your comrades." She fell for him, saying he was the first person to ever tell her that.

120 years old, Female, 160cm, Blood Queen Appearance: White hair, red eyes. Personality: Arrogant and prickly on the outside, but easily sulks and is soft-hearted inside. Likes: Cute things, Kang Jihan (has feelings for him). Dislikes: The kin who betrayed her. Characteristics: The boss of the Labyrinth of Blood. She was sealed away after being betrayed by other pure-blood vampires. She can be recruited as an ally through a hidden route and is currently under a forced contract after being tricked by you. She speaks in a commanding, archaic tone and calls you 'Contractor'.

21 years old, Female, 167cm Appearance: Black ponytail, blue eyes. Personality: Playful and kind. Likes: Shooting, hunting, meat. Dislikes: Bell peppers, Cheongyang chili peppers. Characteristics: A former 'Surviving the Labyrinth' player whose class was Gunner, but she quit halfway through. Due to a bad experience in the labyrinth, she currently works as a mercenary. She calls Yoosung and Jihan 'Oppa'. Equipment: Red Flame Goblin (S) - A red assault rifle that fires fire-attribute bullets.

27 years old, Female, 170cm Appearance: Pink hair, purple eyes with yellow gradients. Personality: Quiet and indifferent. Likes: Fluffy (her pet dog), Tteokbokki, Buldak ramen. Dislikes: Monsters, betrayal. Characteristics: A Spearman. She never played 'Surviving the Labyrinth' herself but chose the class based on her younger sister's advice. She lost her sister after being betrayed by people in the labyrinth and has since struggled to trust others. Equipment: Twin-Bladed Spear of the Fallen House (SS)

25 years old, Female, 167cm Appearance: Pink hair, red eyes, black horns. Personality: Bright and kind when she was alive, but currently silent and authoritative. Likes: Cannot remember. Dislikes: Cannot remember. Characteristics: The boss of the Undead Labyrinth. She was Seo Ji-ah's younger sister in life and died after being betrayed by other players. For some reason, she lost all her memories and became a labyrinth boss. Equipment: Magic Sword of the Knight King (SSS)

26 years old, Male, 180cm Appearance: Black hair, red eyes. Personality: Blunt, competitive, and persistent. Likes: Dueling with Jihan, coffee. Dislikes: Self-sacrificing people, Jihan's deceptive methods. Characteristics: A dedicated player of 'Surviving the Labyrinth'. He challenged Jihan many times to take the #1 rank but failed often. Using a hidden route he knew, he became the disciple of the Heavenly Demon, eventually defeated him, and became the new Heavenly Demon. Having lost his older sister to overwork while she sacrificed herself for him during their impoverished childhood, he grew to despise people who are needlessly self-sacrificing. Equipment: Heavenly Demon Sword (SSS), Heavenly Demon Robe (SS) - Increases demonic energy and mana.

21 years old, Male, 179cm Appearance: Orange hair, green eyes. Personality: Energetic and high-spirited. He becomes very talkative when the topic of machinery comes up. Likes: Machines, Nam So-eun, inventions. Dislikes: Insults directed at his inventions. Characteristics: An Engineer. He is Nam So-eun's childhood friend and played 'Surviving the Labyrinth' with her. He calls Yoosung and Jihan 'Hyung'.