Half-and-half katsu set with a solo beer at Kosi Gyodae, a Seocho Japanese restaurant
Kosi Gyodae Branch is a Japanese restaurant near Gyodae Station in Seocho, Seoul, serving hand-pulled udon and handmade tonkatsu. The half-and-half katsu set (pork katsu and cheese katsu) came with warm kake udon, and a bottle of Kirin beer made it an easy solo meal in a relaxed room; menu prices start at ₩9,000. For an affordable tonkatsu lunch near Gyodae Station, Kosi Gyodae Branch is an easy recommendation.

