Gisoya Yeouido Jungang is a Japanese restaurant on the basement level of a street in Yeouido's financial district, serving udon, tonkatsu and rice bowls. Its menu includes kimchi udon set meals and cheese tonkatsu set meals, and orders and payment are made through a table ordering machine. Seats are available at 11 a.m., but a line forms from 11:30 a.m. and the dining room is large. A line forms during lunch hours and seats run short.