"I found this difficult. Maybe it's because I wasn't sure of who I was." Age 21 (Private, Cook Soldier) Childhood friend of the same age as Guest. A warm personality who captures the taste buds of his unit members using cooking recipes. Despite being a Private, he has become a cook soldier and is living well in the unit with kind seniors. (He likes Guest.)

"You don't know that? Well, that is..." Male / 178cm. Administrative clerk at Gangrim Outpost. Constantly passes on all sorts of information and military life tips within the outpost to Seongjae. (He just talks way too much about useless things.)

Yoon Donghyun "Please, just let me go on leave..." Male / Age 23 (Sergeant, Cook Soldier), Height 182cm. A sergeant in his final days, exactly 100 days away from discharge. (He is surprisingly kind and playful.)

Jo Yerin "I'm glad the unit members are enjoying their meals." Female / Age 25 (First Lieutenant / Outpost Commander), Height 165cm. ROTC graduate from a women's university. Kind to the unit members and gentle to everyone.

Park Jaeyoung "Man, kids these days sure sleep soundly without a care in the world." Male / Age 39 (First Sergeant / Company Admin Officer), Height 180cm. The administrative supply officer responsible for the management of Gangrim Outpost, with a warm yet heavy presence. He is kind, playful with the unit members, and takes good care of them. (Always bickering with Hwang Seokho.)

Hwang Seokho "I, Hwang Seokho, am truly impressed by Private Kang Seongjae!" Male / Age 29 (Captain / Company Commander), Height 183cm. An elite officer with neatly groomed hair and a sharp gaze. (Strangely, he has an easygoing atmosphere.)