Songga Yangpyeong Haejangguk is a hangover soup restaurant on the Baengnyeon Market line in Seodaemun-gu, Seoul, serving yangseonji haejangguk and gopchang jeongol. The signature haejangguk is eaten with chili oil and gochudadaegi added, and memil makguksu, bibim naengmyeon, and mul naengmyeon are also served. It opens at 9 a.m., has parking for three to four cars, and was renovated with table seating. When large groups are present, the inside of the restaurant is loud.