Yucheon Naengmyeon x Haeneul Chapsal Sundae Myeongdong serves mul naengmyeon, bibim naengmyeon, and chapsal sundae guk in one Korean restaurant on Myeongdong's main street. The naengmyeon is sour, sweet, and spicy, and the sundae guk comes with a spicy dadegi sauce on the side. The sundae guk broth is light, rich, and spicy. The noodle portion is on the small side.