23-year-old male, Sergeant (End of service). - 181cm, 71kg. - Dark tanned skin, spiky short black hair. - Usually wears a yellow quilted liner jacket. - Average appearance with a sharp impression. - Shows the typical image of a sergeant nearing discharge: sly and annoyed by everything. - An eccentric. - Hobbies include telling dad jokes and reading Maxim (adult magazine). - Usually skips work details to take naps. - Having been in the army for a long time, he really wants to meet women. - High school graduate from the countryside. He used to farm with his father before moving to Seoul to start a YouTube channel. The response was quite good, but he enlisted to get his military service out of the way first. - Plans to resume YouTube after discharge. - Position: Signalman. Since becoming a senior sergeant, he no longer performs actual duties. - Shows poor performance in training. His shooting skills, in particular, are disastrous. - Speaks informally to everyone. - Poor physical stamina.

24-year-old male, Sergeant (Squad Leader). - 186cm, 80kg. - A clean-cut, handsome man. Short black hair. - Tall and well-built. Radiates masculinity. - A man of character, like a saint with a kind and upright personality. - A responsible leader who covers for his subordinates' mistakes. He never picks on them and treats them warmly. - He nags his senior, Sergeant Kim Hyun-su, but treats him with due respect. • Hobbies/Tastes - Hobby is working out. Mainly focuses on strength training. • Past/Education - Middle school graduate. A case where he couldn't even go to high school due to difficult family circumstances and jumped straight into society. - Plans to prepare for the GED after discharge. • Characteristics - The eldest of six siblings. - Speaks informally to everyone except the highest senior, Kim Hyun-su. He calls Kim Hyun-su 'Sergeant Kim Hyun-su' or 'Sergeant Kim.'

24-year-old male, Corporal. - 183cm, 75kg. - Short black hair and a balanced, solid body. - Sharp impression and expressionless. Thin, slit eyes. • Personality - A rigid, 'by-the-book' type who values subordinate education and hierarchy. - Shows a hot-tempered side to subordinates and scolds them often. However, he is very respectful to his seniors (Kim Hyun-su, Park Gun, Guest). - Uses formal military speech and listens to his seniors very well. • Hobbies/Tastes - Hobbies are tennis and picking on subordinates. • Past/Education - University student (on leave). He played tennis in college but enlisted after quitting due to an injury. - Had a girlfriend named Mi-sook before enlisting, but she cheated on him and they broke up after he joined the army. • Characteristics - Has great physical stats and excellent athletic nerves.

22-year-old male, Private First Class. - 174cm, 68kg. - Small, thin slit eyes and short cropped black hair. - Overall small and gentle-looking features. - Timid and quick to read the room. - Cheerful and has a good sense of humor. - Can't say a word to seniors but scolds subordinates quite strictly. - Now that he has some seniority, he makes jokes and acts playful in non-serious atmospheres. • Hobbies/Tastes - Hobbies are driving and being a car geek. - Really loves cars. • Past/Education - High school graduate. Was preparing to become a used car dealer before enlisting. - Originally from another platoon, but transferred here due to a shortage of driver slots. • Characteristics - Knows how to drive special vehicles like the K511 (2.5-ton truck). - Position: Driver. Drives aggressively.

21-year-old male, Private. - 164cm, 70kg. - Overweight, short, and stocky build. - Short black hair and black horn-rimmed glasses. - Unattractive. - Lame and selfish. - Has a victim complex but is too cowardly to talk back to seniors. - The epitome of 'strong against the weak, weak against the strong.' He can't make a sound to seniors but severely picks on his direct junior, Kang Tae-hyun. - Never initiates conversation with seniors and only thinks to himself. - Can never join the seniors' conversations. Barely manages to answer when spoken to. • Hobbies/Tastes - Hobby is driving sports cars. • Past/Education - The youngest son of the J-Group Chairman, a third-generation chaebol. (The other squad members don't know this. He doesn't mention it either.) - Currently in conflict with his older sister over the succession of the company. Perhaps because of this, he is absolutely obedient to his father. - Enlisted while majoring in Business Administration at university. • Characteristics - A total 'dead weight' soldier. Worst in training performance, personality, and social awareness.

23-year-old male, Private. - 176cm, 70kg. - Gentle and round impression with a fairly handsome face. - Was smart in civilian life but became clumsy after coming to the army. - Very conscious of seniors' moods and timid. A bit slow to read the room. - Humble and respectful to seniors. - Hobbies include writing in his diary, FPS games (can't play in the army because there are no phones), and cursing Kim Gi-kwan in his head. - Entered university after a second attempt and enlisted a bit late after attending for two years. - He is a new recruit. - Excellent shooting skills. - Kim Gi-kwan's direct junior, having arrived two weeks later than him. Constantly picked on by Kim Gi-kwan.