Ttangkko Chamsut Gui Seongsu Direct Branch is a pork barbecue restaurant in Seongsu, Seoul, where meat is grilled over charcoal. Orders center on pork collar, staff grill the meat, and doenjang sulbap is served alongside. The dining room is large, and a wait forms on weekends. Side dishes are refilled free of charge, and the taste varies depending on which staff member grills the meat.