Katsu 97 is a Japanese-style tonkatsu restaurant between Danggok Station and Lotte Department Store Gwanak Branch, serving sang deungsim katsu, deungsim katsu, and anshim katsu. The meat is served with a reddish tint, and the menu also includes anshim donkatsu and dak anshim katsu. A deungsim-anshim half-and-half menu is available, and the sang deungsim katsu sells out early. The tonkatsu portions are large and the meat comes out tender.