Sungopine Dongnae Main Branch is a restaurant in Dongnae, Busan, that serves sundae gopchang jeongol. Its signature dish, sundae mushroom gopchang jeongol, comes in a spicy broth with sausage-like sundae that differs from regular sundae. The broth is deep and clean-tasting, and the sundae in the jeongol becomes moist. Prices are on the higher side.