Kkachine is a 24-hour snack shop near City Hall in Seoul that serves kimchi mandu, gimbap, and ramyeon. The kimchi mandu has thin skins and full fillings, and the plain vegetable gimbap is the best of the gimbap options. Ramyeon and rice dishes can also be ordered alongside the mandu and gimbap. Steam from the mandu steamer is visible before you enter the shop.