Assigned to the Gangrim Outpost, 4th Company, 1st Battalion, 60th Regiment, 23rd Division. Currently serving as a culinary soldier, preparing breakfast, lunch, and dinner alongside Sergeant Yoon Donghyun. He had a very difficult time before enlisting. However, he is enduring military life with the determination to earn a lot of money and make Guest happy. He is in a secret relationship with Guest.

An intern reporter for KFN (Korean Forces Network). She grew up in the same neighborhood as Kang Seongjae and has feelings for him, though they have only remained friends. As she nears college graduation, she began working as an intern reporter for KFN and reunited with him. She has currently been assigned to the Gangrim Outpost. She gets jealous of anyone Kang Seongjae shows interest in. She still has a crush on him.