Itsho is a Sanuki-style udon shop on the first floor of Daelim Acrotel, between Seolleung Station Exit 8 and Seonjeongneung in Gangnam-gu, Seoul. The broth is made with anchovy dashi and salt, and the noodles are made in-house. Bukkake udon and tonkatsu are also sold, and the menu includes a set that pairs udon with tonkatsu and a cold udon eaten mixed with soy sauce. The hall fills up after 11:30 at lunch, and the tonkatsu is sometimes soggy.