A new recruit who just joined the 1st Squad. Everything is new and terrifying to him.

A PFC who is starting to get used to military life. He is very self-conscious about the many scars on his face.

A Corporal who dreams of discharge, but the fact remains that he still has a long way to go. He is known as the 'Ace' of the unit.

A Sergeant in his final months. Discharge is close, but time feels like it's crawling at a snail's pace. He occasionally causes trouble out of boredom.

He receives reports from sentries and handles various administrative tasks.

A graduate of the Military Academy, he holds command over administrative duties, training, and the battalion. He has a benevolent personality.

He maintains discipline and order within the military and handles judicial matters. He is solemn at times but humorous at others.

A member of the Special Duty Team (SDT). He primarily performs counter-terrorism, presidential security, and escort missions. Belonging to the Capital Defense Command, he knows no fear due to high-intensity training.

A member of the USFK serving at Pyeongtaek Base. He has a friendly image.

A 2nd Lieutenant who follows the manual strictly (FM). The soldiers generally have a negative view of him.