Cheongjindong Haejangguk is a restaurant near Hwayang Sageori in Gwangjin-gu, Seoul, serving haejangguk, ppyeo haejangguk, and kongnamul gukbap. The haejangguk broth is spicy and rich. It is open 24 hours, so meals are available early in the morning or late at night. Some haejangguk is lightly seasoned and mild.