Ijo Kalguksu is a restaurant in Seonbu-dong, Ansan, serving kalguksu with clam, seafood, perilla seed, and red bean. The kalguksu portions are large, and clam kalguksu and red bean kalguksu are on the menu. An annex inside the shopping complex lets customers go further into the building when the line is long, and at lunchtime the wait after ordering is about 20 minutes. The broth is not refreshing and leans salty.