Sukiya is a gyudon restaurant near Osaka Castle in Tanimachi, Chuo Ward, Osaka. The menu centers on gyudon, with curry, kimchi gyudon, and oroshi ponzu gyudon available in several sizes. Orders are placed on a tablet where you select a language and menu items, and a receipt with a table number comes with the food. You state the number when leaving to pay, and the water served is barley tea.