Bonsundae Guk is a restaurant in Gangseo-gu, Seoul, selling sundae guk, spicy ugeoji sundae guk, and ojingeo sundae. The special sundae guk contains a large amount of meat and offal, and the ojingeo sundae is made by searing the outside and filling it. It is open 24 hours, and side dishes are self-refilled, with raw garlic and kkakdugi served as well. Customers keep coming in throughout the morning and evening, so it is always crowded.