Choryang Haekalguksu is a restaurant in Choryang-dong near Busan Station that serves seafood kalguksu made with one hanchi squid, clams, mussels, and fish cake. The noodles are made in-house and served in a clear broth with spicy kimchi on the side. The restaurant accepts single-person orders at lunch and has enough seating that early arrivals can sit without waiting. The kimchi is very spicy, so it can be difficult for those who cannot handle heat.