6casa is a Korean barbecue restaurant near Gunja Station in Seoul that grills aged beef and pork. It cooks ogyeopsal and pork collar alongside tosisal and galbisal over corn fuel, served with three kinds of salt, wasabi, and a seasoned sauce. Each table has its own locker room, and staff grill the meat for you. The restroom is clean, and the portions of meat are on the small side.