Ginza Ryoko Nowon Hagye is a Japanese restaurant in Seoul serving demiglace tonkatsu, gyudon, and udon. Its main dish is demiglace tonkatsu, and it also serves salmon rice bowl sake don and bacon cream udon. The seating is bar-only, which suits eating alone, and the number of seats is small. There are no tables, so it is difficult for several people to sit facing each other.