Beef Cutlet Aona Okachimachi is a Japanese restaurant in the market alleys near Ueno Station and Ueno Park. It serves gyukatsu and beef stew set meals, including wagyu katsu, marbled wagyu katsu, and Japanese black beef katsu. Diners dip the cutlets in salt, wasabi, and three sauces, then grill them to their liking on a small table grill. Large suitcases can be brought inside.