Kkulkkuljin Sundaeguk Seokchon serves sundae-guk and octopus sundae-gukbap in Seokchon, Seoul. The sundae-guk is good enough to visit often in the neighborhood, and octopus sundae-gukbap is also on the menu. Delivery orders are handled quickly and requests are reflected well. The restaurant is small, so there is a wait.