Morak Morak Kalguksu is a kalguksu restaurant in Seoul that serves sagol kalguksu and mulchong kalguksu. The mulchong kalguksu contains dongjuk clams, and the menu also includes haemul kalguksu, kongguksu, and yukgaejang. The dongjuk kalguksu has a cool, spicy broth with chewy clams. The kimchi is spicy and salty.