Situationsbuseot Kalguksu is a kalguksu restaurant in Busan that makes its noodles with sanghwang mushroom. It serves kalguksu, sujebi, and gimbap. The sanghwang mushroom noodles have a wholesome taste, and the memil guksu and jeonbyeong carry a hometown flavor. The interior has the old atmosphere of a long-established restaurant, and one woman runs it alone, so waits tend to be long.