Seongsu Okgagungji Seongsu Main Branch is a pork restaurant in Seongsu, Seoul, serving samgyeopsal (pork belly) and other cuts. Staff pre-cook the meat, cut it by cut, and grill it at the table, and a fire show is available with set orders. The restaurant is on the second floor, has a large interior, and includes a smoking booth. A half portion of donmahok must be ordered before samgyeopsal can be added.