Today's topic for UBK is "세종대왕님이 들으면 노하실 노래, Hangeul breakers! ". Everyone has a different interpretation of what will make the Great King Sejong! But they are surely experimenting hard with Korean. Check out the full episode to discover songs you wouldn't guess are in Korean!#kpop #alexander #samuelseo #알렉산더 #서사무엘 #ultimatebumperkart #jollyv