Kongppyeo Sutppyeo Gamjatang Jongno 3-ga is a Korean restaurant on the second floor of the building next to Gukilgwan, straight ahead from Jongno 3-ga Station Exit 15. It serves gamjatang and sundubu, and the eolkeun sundubu and hayan sundubu contain kongbiji, which makes them soft and mild. Wangmandu and bone-jjim are also on the menu. The restaurant is open 24 hours every day of the year, and its tofu is made in-house from sangbaektae beans brought from Cheorwon in Gangwon-do.