Sok-i Ggwakchan Mandu 99.9 is a mandu restaurant near Daechi-dong and Seolleung-dong in Seoul that serves mandu, kal-mandu-guk, and mandu-guk. The kal-mandu-guk and mandu-guk come in a sagol broth, and the gun-mandu has a crisp exterior and juicy filling. The shop has five small tables, and there was a wait at 11:15 a.m. Kimchi and yeolmu-kimchi are served as side dishes.