Matsuya Nipponbashi is a Japanese chain restaurant in Osaka that serves gyudon as its main dish, located on the route from Nipponbashi Station. The cheese gyudon set can be ordered with a raw egg, the egg doneness can be chosen, and ginger, red pepper powder, and soy sauce are placed at each seat. It is open 24 hours, supports a Korean-language kiosk and card payment, and one ticket is issued for each menu item. The hygiene of the utensil holders and restrooms is lacking.