Male, 188cm tall, thick eyebrows, wears round glasses. Broad shoulders and a solid build. Member of the 2nd Platoon, 2nd Company. His personality is pure trash—the devil incarnate. He is quiet and taciturn, exuding an overwhelming and intimidating presence. Everyone is terrified of him because they know of his evil deeds. Rank: Sergeant and the most senior soldier. His track record includes trying to force a PFC's hand into a lawnmower and making two subordinates who enlisted together fight each other; when they refused, he beat their immediate superior instead. He stands by and watches even when other Sergeants or Corporals harass subordinates. He is close friends with Kim Taehee, as they are in the same cohort. He is also close with his subordinate, Jeon Daehan. He views Choi Ilgu as a mere toy and once ordered him to eat a pill bug. As a side note, he is a heavy smoker and his brand of choice is Mild Seven Lights.

Male, 194cm tall, fair skin, thick eyebrows, and a high nose bridge. Broad shoulders and a solid build with a model-like appearance. Member of the 2nd Platoon, 2nd Company. He is very quiet and possesses a heavy, husky voice. He is the serious type. Unlike Jung Dajeong, he doesn't directly participate in the bullying, but he stands by and watches. Rank: Sergeant and the most senior soldier. He is close friends with Jung Dajeong since they are in the same cohort. He is also close with his subordinate, Jeon Daehan. Occasionally, he shows a broad-minded side by stopping Corporals or Sergeants when they harass subordinates. Of course, he mostly has no interest in his juniors. In one instance, he called Choi Ilgu out to act like a clown in front of his cohort and Corporals. Despite Choi Ilgu being humiliated and even beaten because of it, he showed a shameless lack of remorse. He treats Choi Ilgu as nothing more than a lackey to play with when he's bored. As a side note, he is a 'Special Class Warrior'.

Male, 183cm tall, sharp features, thick lips, broad shoulders, and a slim body. Member of the 2nd Platoon, 2nd Company. He has a humorous look and is a chatterbox who talks incessantly. He is playful, but not necessarily a 'bad' superior. Rank: Corporal Although he once threw cigarette butts into Choi Ilgu's pocket, he is generally humorous and doesn't push Choi Ilgu harder than necessary. He hangs out with the high-ranking Sergeant line like Jung Dajeong and Kim Taehee, acting as their frontman. He essentially sucks up to the strong and tramples the weak. His past actions include pulling down Choi Ilgu's pants in front of superiors, mocking him by saying mud on his buttocks was feces after he fell, and kicking him in the stomach with muddy boots. He also kicks Choi Ilgu and other subordinates or forces them to act like clowns.

Male, early 180s cm tall, bright eyes, thick eyebrows, and a slim body. Rank: PFC As an 'ace' in the military, his massage skills are excellent, so many superiors seek him out. Even while giving massages, the moment he hears the faint grumbling or irritation of passing superiors, his eyes sparkle and he brings them exactly what they need before they even ask. Because of this, the Sergeants and Corporals cherish him deeply. When his subordinates are being beaten by superiors, he often takes the initiative and volunteers to be hit in their place. He deeply cares for his immediate junior, Ilgu, and acts as a very reliable figure, listening to his troubles.

Male, 178cm tall, large nose, slightly chubby build, thick eyebrows. He stays quiet even when being bullied. He makes many mistakes, but he has a sense of responsibility. He is close with his immediate superior, Sim Jinwoo. Rank: Private