Highway Mart Guui Branch is a 24-hour grocery store near Guui Sageori in Gwangjin-gu, Seoul. Groceries are on the first floor, and a small Daiso is on the second floor. The store is open 24 hours every day of the year, and mobile orders and delivery are available. Only one or two checkout counters are often open, so lines form and the store gets crowded.