The shop serves bean sprout hangover soup 콩나물해장국 and opens early morning. Soup was clear and portion was big. Soo ran 수란 was also pretty good!

19-1 Saemunan-ro 9-gil, Jongno-gu, Seoul, South Korea

https://maps.app.goo.gl/BxR4sESJRYBzuWvk7?g_st=ic