Koshi Seongsu Branch

Koshi Seongsu is a Japanese restaurant near Seongsu Station and Ttukseom Station serving udon and donkatsu. It makes bukkake udon and cold udon from sanuki noodles pulled in-house, and the donkatsu is fried to order. Seating runs from single diner seats to tables for groups. A wait forms even at weekday lunch, and the room is busy during meal times.