Hatbit Chon Sundaeguk Main Branch in Seoul's Gangseo-gu serves sundae guk with head meat and sundae, and the basic bowl comes with dadegi along with deulkkae powder and kkakdugi. The restaurant has a 20-year history, running for 13 years in a small space before continuing for 7 years at its current location. Vegetable side dishes can be refilled without hesitation. The facilities are worn, and the unisex restroom has no hot water.