Bangil Haejangguk Jeongdong is a hangover soup restaurant in Jung-gu, Seoul, on the second floor of Dongyang Building. It serves seonji haejangguk with two pieces of congealed ox blood, cheonyeop, tripe, bean sprouts and ugeoji, and a beef haejangguk with plenty of meat and bean sprouts. At lunch it is crowded with office workers from nearby, and food arrives as soon as you sit down. The dining area and tables are not clean, and the congealed blood and offal have an odor.