Songdo Haejangguk is a restaurant in Yonghyeon-dong, Incheon, serving a doenjang-based seonji haejangguk. Diners can adjust the broth with minced garlic and cheongyang chili pepper placed on the table. It is open 24 hours, and when you order for the number of people at the table, seonji is refilled without limit, with coffee available after the meal. The broth and seonji are on the salty side.