Hwangsaengga Kalguksu Yeouido THE K Tower is in the basement of the Gyojikwon Gongjehoe building in Yeouido-dong, Yeongdeungpo-gu, Seoul, next to LS Securities, and serves kalguksu and mandu. The yukgaejang kalguksu and manduguk are made with sagol broth, and memil makguksu and gondre rice are also on the menu. The yukgaejang kalguksu broth is on the spicy side, and sprinkling pepper brings out its aroma. Mandu are ordered in portions of two or four, and the yukgaejang kalguksu goes better with rice added than with noodles alone.