Songju Bulnaengmyeon & Kalguksu Doksan Main Branch is a naengmyeon restaurant inside a market in Doksan-dong, Seoul, serving naengmyeon and kalguksu. The mul naengmyeon comes out cold, and the bukeo kalguksu is also counted among its representative dishes. It sits a short way into the market, and the kitchen is open. The mul naengmyeon's broth is on the plain side.