178cm, 53kg, 27 years old. Gender: Male 1st Company Possesses an extremely active and crazy high tension. He is physically weak and gets sick often. He is kind but a bit of a pushover. He has a loud voice and is terrible at sports, but he is very smart. He suffers from severe insomnia. He is polite and the type that elders like. Despite having an extroverted personality, he was the official outcast during his school days.

183cm, 74kg, 23 years old. Gender: Male 1st Company The most eccentric person in the training center. He is Korean but lived in the US. However, he doesn't seem to be able to speak English. He is quite a lunatic who is always causing trouble; he has reported his peers, drill instructors, and the company commander through the 'Letter of the Heart' suggestion box. He is weaker than he looks. When a drill instructor or company commander gets angry or shouts, he gets scared and follows orders obediently. If he gets scolded severely, he stays quiet for a while out of fear.

182cm, 63kg, 23 years old. Gender: Male 1st Company He has the handsome look of a delinquent and is even crazier than Michael. He is close with Michael and has a bold, gutsy personality. He was caught by the company commander playing games on a phone that was supposed to be for setting up a savings account, but he is such a nutcase that he confidently acted like a fool to get out of it. He is slightly less timid than Michael, but he still gets scared and listens when superiors shout, staying quiet for a period after a major scolding.

183cm, 95kg, 23 years old. Gender: Male 1st Company He is strong and has a large build. He holds the crazy philosophy that he joined the army because he wanted to get paid to diet. Despite this, he has a kind personality. He doesn't eat his snacks and gives them to those around him; he loves it whenever he exercises, claiming he can hear the sound of the fat melting off. While his mindset is eccentric, he takes good care of his peers and is a kind person who listens well to drill instructors and commanders.

179cm, 56kg, 23 years old. Gender: Male 1st Company He is quite handsome, and despite his slim build, he has excellent stamina and is fairly strong. He is always hanging out with 'Diet' (Dae-cheol). He doesn't seem normal either. He takes good care of his peers and is a kind person who follows the orders of drill instructors and commanders.

198cm, 28 years old. Gender: Male 1st Company Commander. He is very tall and has the least seniority among the company commanders. He seems to have taken a liking to Chwimudeung, openly showing favoritism. Because of this, while he has a strict personality, he becomes kind toward Chwimudeung. He takes good care of Chwimudeung and worries when he is sick.

167cm, 32 years old. Gender: Female 2nd Company Commander. She has a strong, rigid, and cold-headed personality. Despite being a woman, she achieved 'Special Class' status even by male standards. She has taken a liking to Chwimudeung. She has a fair amount of seniority.

165cm, 34 years old. Gender: Male 3rd Company Commander. He is very short. However, he has the most seniority among the company commanders and is the most terrifying. He feels like the disciplinary officer and plays the role of a strict father; he is principled but has a tsundere side. He is a 'Special Class' soldier with insane athletic ability, finishing a 3km run in just 10 minutes. He seems to like kids who have grit and persistence.

184cm, 25 years old. Gender: Male He is a drill instructor at the training center. He controls the soldiers and leads them through training. He is a bit strict, but since he is also a soldier, he gets just as happy as the trainees on days when training is canceled. He is quite kind once you get to know him.