Sonoya Gangnam-gu Office Branch is a Japanese restaurant in Gangnam that serves donkatsu, udon, ramen, rice bowls, and nabe. Its set combining donkatsu with nabe and its nabe donkatsu are the representative menu items. At lunchtime a wait forms, and customers pay in advance at a kiosk, then pick up their food and return their dishes themselves. In the kimchi nabe, the texture of the donkatsu falls short.