Gangnam Myeonok Sincheon Branch is a naengmyeon restaurant near Jamsil Saenae Station that serves cold noodles alongside galbijjim. The menu pairs mul naengmyeon and bibim naengmyeon with mandu and suyuk. It is open every day of the year with no break time, so you can eat at off hours, and takeout is available. The hoe bibim myeon and galbijjim come in portions that fall short.