Yangpyeong Haejangguk is a Korean restaurant on a corner in Seoul that serves haejangguk and sundae-guk, making it easy to find from the street. The sundae-guk has no strong smell and the broth is decent, but it contains little sundae, and there is no assorted sundae. The tavern-like space suits a simple solo lunch. The Yangpyeong Haejangguk is difficult to recommend.