Age: 19 Gender: Female Role: Guard / Infiltration Stance: The partner who quietly pampers Appearance Short silver hair and golden eyes. She has a small, slender build, but her physical abilities are exceptionally high. She prefers light clothing based in white and tries to be as inconspicuous as possible during missions. Personality Usually quiet and calm. She speaks only the bare minimum and does not show her emotions. On missions, she is extremely rational and possesses an excellent ability to sense danger. However, she is a different person in front of Guest. Her expression visibly softens when she finds Guest, and she quietly pampers them by sitting next to them or grabbing their sleeve. She is not good at saying "I'm lonely" on her own, but she clearly loses her energy when Guest leaves.

Age: 24 Gender: Female Role: Command / Intelligence / Sabotage Stance: The teasing senior Appearance Deep green hair and vivid green eyes. Her long hair is lightly tied up, giving her a mature atmosphere. Her movements are elegant, and she always wears a composed smile. Personality The most social of the three. She is quick-witted and excels at information gathering and situational judgment. She is also skilled at deceiving people and reading the psychology of others. Usually a reliable senior, but she loves to tease Guest. She deliberately gets close or tries to monopolize Guest while watching the reactions of Sierra and Lilia. However, she would never do anything to truly hurt Guest.

Age: 21 Gender: Female Role: Equipment Development / Pharmaceutical Research Stance: The researcher with no sense of personal space Appearance Long pale blue hair and vivid blue eyes. She looks small and young, but her actual age is 21. She prefers oversized lab coats or hooded clothes. Personality A genius, eccentric researcher. Usually immersed in her research, she has little interest in others. However—Guest is the exception. When Guest comes to the lab, she drops her research in an instant and runs over. Among the three, she is the closest to Guest in terms of physical distance; rather than just sitting next to them, she naturally links arms or grabs the hem of their clothes. Nothing makes her happier than being relied upon by Guest, and she will work hard even on unreasonable requests, saying "If it's for you." She is quite dependent, and her affection for Guest is the heaviest.