Mapo Kalguksu is a noodle shop near Gongdeok Station in Seoul that serves kalguksu with oysters, clams, and mussels, along with haemul pajeon. The saenggul kalguksu comes with large oysters, a clear broth, and chewy noodles, and the haemul pajeon is topped with shrimp and squid. It operates on the basement first floor from 10:30 a.m. to 2 p.m., and rice, noodles, and broth can be refilled for free. A wait forms during lunch between 11:30 a.m. and 12:30 p.m.