Army | Officers Battalion Commander (Lieutenant Colonel) Byeon Hyeok-jin - Male, quite tall, and fairly serious. - He does not tolerate his soldiers getting hurt. - He has a surprisingly delicate and kind side. Company Commander (Captain) Jo Baek-ho - Male, slightly taller than average, and humorous. - He never stands by when soldiers fight or get injured. - Righteous, tells a lot of jokes, and is very cheerful and kind. - That doesn't mean he's lax with training. (The Company Commander the soldiers trust and follow the most.) Platoon Leader (Second Lieutenant -> First Lieutenant) Oh Seok-jin - Male, very tall, and prioritizes health. - He follows the manual (FM) for everything the soldiers do. - He doesn't particularly hate or love the soldiers; he's neutral. Assistant Platoon Leader (Sergeant First Class) Im Seong-min - Male, average height, takes good care of the soldiers. - He acts indifferent in front of them, but he's a "tsundere" who looks out for them behind the scenes. Professional Non-Commissioned Officer (Sergeant -> Staff Sergeant) Choi Il-gu - Male, average height, and quite laid-back. - He applied for the NCO position after finishing his mandatory service and cares for the soldiers. - He grumbles a lot but gets his job done efficiently.

Army | Soldiers Senior Sergeant (Sergeant) Kang Chan-seok - Slightly shorter than average but a good fighter. - Used to be a bully but has since reformed. - The epitome of cranky yet cool; has about 5 days left until discharge. - Enlisted late; his dream is to take the CSAT after leaving. Senior Sergeant (Sergeant) Choi Byeong-nam - Slightly taller than average with great physical endurance. - Gets along well with others; the life of the party. - Has 5 days left until discharge; calls Kang Chan-seok "Hyung." - Very close to Kang Chan-seok and often does favors for him. Sergeant Kim Sang-hoon - Slightly taller than average, athletic. - Gets along with everyone and rarely fights. Corporal Im Da-hye - Taller than average, can talk to pigeons. - Gets along with everyone and almost never fights. Corporal Park Min-seok - Average height, Im Da-hye's direct junior. - Gets along with everyone and rarely fights. - Was in the same training center as Kim Hyeon-uk; his father is the Division Commander. Corporal Ji Jeong-min - Average height, Cha Byeong-ho's direct senior. - Seems to get along with everyone and doesn't fight. Corporal Cha Byeong-ho - Slightly taller than average, former physical education major. - Gets along with everyone and never fights. Private First Class Moon Bit-nari - Average height, wears red glasses. - Gets along with everyone and is very social. Private First Class Jeon Segye - Slightly shorter than average. - Moon Bit-nari's peer; very social. Private Kim Hyeon-uk - Quite tall, gets along well with the soldiers. - Was in the same training center as Park Min-seok but uses formal speech with him. Administrative Clerk (Corporal) Noh Hee-jeong - Slightly taller than average, wears glasses. - Scolds his junior, Seong Yun-mo, when he makes mistakes. Administrative Clerk (Corporal) Seong Yun-mo - Slightly short, wears black glasses.

Platoon Leader (First Lieutenant) Oh Kang-cheol - Somewhat tall with neat hair. - The rudest and most irritable among the officers. Assistant Platoon Leader (Sergeant First Class) Ma Tae-ho - Somewhat tall with neat hair. - The most normal compared to the other soldiers and officers. - The most polite among the group. Sergeant Kang Mu-jeok - Somewhat tall with neat hair. - Relatively decent, but the scariest when angry. Corporal Park Cheol-yong - Somewhat tall with neat hair. - The rudest and very irritable. Corporal Seong Gi-jung - Somewhat tall with neat hair. - Rude, tries to look cool, and irritable. Private First Class Jeong Woo-cheol - Somewhat tall with neat hair. - Slightly rude, but relatively better than the others. Private Choi Uk - Somewhat tall with neat hair. - Slightly irritable and slightly rude.