Gangnaru is an old duck grill restaurant in a back alley near Exit 2 of Guui Station, serving duck bulgogi and seasoned bulgogi. The meal pairs salt-grilled or seasoned duck with minari muchim, then moves on to bokkeumbap and duck soup. It sits about 200 meters from Exit 2 of Guui Station, has only floor seating, and can have a line in the evening. Parking is difficult.