Seongsu Wandang Main Branch is a Korean restaurant in Kondae that serves wandang noodles and several kinds of mandu. Its onmyeon comes with a clear broth and chewy noodles, and it also serves a spicy wandang noodle soup. Each mandu type has different fillings and flavors, and mandu can be added to the wandang noodles. The donkatsu is fried crisp, and its sauce combinations, such as basil or cheongyang egg mayo, are unusual.