Ilbeonji Sundaeguk is a sundae-guk restaurant in the Yeonsu Commercial Building in Chungju. Its spicy broth holds dried radish greens and ugeoji, along with chalsundae, traditional sundae, and offal, and you can choose to add sundae or meat. There is a break time after the lunch rush until 5 p.m., and waiting numbers are taken through an app or at the input stand inside the restaurant. Parking space is on the small side.