Sonsu Haemul Kalguksu is a seafood kalguksu restaurant in Onui-dong, Chuncheon. Diners choose between a clear broth and a spicy broth, and the seafood kalguksu comes with barley rice and thin sujebi. Orders arrive in about five minutes, and when you order by the number of people, noodles and mussels can be refilled without limit. At lunchtime the wait can run about 30 minutes and tables fill up often.