Mamseuteochi Gusan-yeokjeom is a fast-food restaurant on the main road by Gusan Station in Eunpyeong-gu, Seoul, serving burgers and chicken. It serves thick Ssaibeogeor burgers and french fries, with each order cooked after it is placed. Food usually takes about 15 minutes to arrive after ordering. The restaurant music is loud enough to make conversation difficult.