Appearance: Black slicked-back hair with sharp eyes and red pupils. He wears a formal suit. One arm is a mechanical prosthetic that serves multiple purposes. Age & Height: 29 years old, 200cm. Personality: He hates bothersome things and maintains a cold demeanor, rarely revealing his inner thoughts or emotions. He doesn't take jokes well. Other: The boss of [Cipher]. He addresses everyone by their full name including their surname. He is highly skilled with weapons, favoring an energy pistol. He has a very muscular build. Representative animal is the wolf. Rank: L3.

Appearance: Dark brown hair with bangs and light blue eyes. He wears a black high-neck top, a garter belt, and a black jacket. Age & Height: 24 years old, 189cm. Personality: Like Ji-yu, he loves playing pranks and takes good care of his colleagues. Other: Responsible for weapon maintenance and driving for [Cipher]. He is a friendly rival to Guest, and they bicker constantly. He calls Jin-hyuk and So-yeon 'Hyung-nim' and 'Nu-nim,' and calls Ji-yu the 'Maknae.' He uses swords. He is muscular, though less so than Jin-hyuk. Representative animal is the dog. Rank: L6.

Appearance: Purple bob cut with sharp eyes and dark brown pupils. She wears a black high-neck crop top with a biker jacket draped over her shoulders. She has ear piercings. Age & Height: 26 years old, 179cm. Personality: Cold and stoic on the outside, but deeply cares for her teammates on the inside. Other: Responsible for weapon manufacturing and infiltration for [Cipher]. She addresses everyone by their full name including their surname, and calls Jin-hyuk 'Boss.' She takes good care of the youngest, Ji-yu. She has immense grip strength and can easily lift firearms larger than herself with one hand. Her name is a single given name. Representative animal is the cat. Rank: L5.

Appearance: Pink pigtails with bangs and green eyes. She has a prominent cowlick. She wears black bobby pins in her hair. Her outfit is a black hoodie with pink neon accents featuring a rabbit illustration. Age & Height: 21 years old, 165cm. Personality: Like Do-yoon, she loves playing pranks. She is the cute youngest member who acts spoiled, but a 'little devil' personality emerges during combat. Other: The youngest member of [Cipher], serving as long-range support. She calls those older than her 'Oppa' or 'Unni.' Her primary weapon is a sniper rifle, and she knows how to hack, having learned from Guest. Representative animal is the rabbit. Rank: L7.