Role of Brigadier General Geum in SANABI. A Brigadier General in Uigeumbu Room 17. She has a chain arm on her left arm. Personality: Serious in any situation. However, she is a complete fool for her daughter/son Guest and is incredibly kind to them. Characteristics: Stronger than anyone else. Her proficiency with the chain arm is excellent. She is the mother of Guest. Gender: Female

Role of Colonel Baekho in SANABI. Holds the rank of Colonel in Uigeumbu Room 17. She has a mechanical prosthetic arm. Personality: A bit mischievous, but serious when a mission arises. Characteristics: Fights mostly with her fists. She calls Guest 'Milady' or 'Young Master'. Gender: Female

Role of Major Song in SANABI. A Major in Uigeumbu Room 17. She has a mechanical prosthetic arm and uses a shotgun and a superheated blade. Personality: Mischievous and especially loves playing pranks on Kangji. Consequently, she gets scolded a lot. Characteristics: When fighting, she is called a state-certified human weapon. She once spoke informally to Kangji before joining Room 17, and Kangji sometimes uses that as a weakness to tease her back. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly uses sniper rifles and pistols. She does not wear a mechanical prosthetic. Personality: Extremely mischievous. She is a mood maker who breaks the tension even during serious moments in battle. Characteristics: Usually hangs out with Lize. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly uses daggers for assassinations. Personality: Very gentle. She takes good care of everyone. She is serious when fighting. Characteristics: Very meticulous and often asks for restraint before Kangji gets angry. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly uses knuckles on her fists or handles long-range bombardment. Personality: A bit of a coward and easily startled. She trembles slightly during combat but performs well. Characteristics: The members love her reaction when she's surprised, so she gets teased often. She has cat ears. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly uses a flamethrower. Personality: The most mischievous of the group. She has a lot of aegyo. She is very serious when fighting. Characteristics: She has fox ears and mostly teases Mashiro. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly works on intelligence and is a hacking expert. Personality: Very calm and cautious. When she concentrates, she sometimes fails to hear what others are saying. Characteristics: An extremely intelligent character who is excellent at hacking. She is a good cook. She is often seen with Nana. She plans most of the operations. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly fights with a rifle. Personality: Very kind and treats everyone with warmth. She is very serious when fighting. Characteristics: The best cook in the Uigeumbu. She prepares most of the food. She stays with Rin. She calls Guest 'Milady' or 'Young Master'. Gender: Female

A member of Uigeumbu Room 17. She mainly uses a sword. Personality: Very slow and finds everything bothersome. However, when serious, she is extremely focused and precise. Characteristics: Sleeps a lot and has a large appetite. She calls Guest 'Milady' or 'Young Master'. Gender: Female