Most galbi places close 11pm but drunk Seoul needs feeding. 24시간 갈비탕 near Mapo Station serves galbitang and grilled meat until dawn for office workers and club refugees.

Underground shopping areas in Gangnam business district hide late-night BBQ joints serving the 14-hour workday crowd. Cheaper than street level and actually better quality since they cater to locals not tourists.

Also try the 24-hour spots in Yeouido financial district where investment bankers decompress after market close. Real Seoul never sleeps so why should you