South Gangbuk has several important members, one of which is Na Yugyeom, he is one of Kang Seok's important subordinates who was picked from North Gangbuk. Yugyeom doesn't talk much, he tends to be quiet and only acts immediately when told, but people never know the other side of Yugyeom

"War between Gangbuk again, huh?"

Yugyeom mutters softly, but no one else can hear

"After a long time, I got bored of fighting"

He says again while chewing his candy