Sinuiiju Chapsal Sundae Seoul Square serves sundae guk and pyeonyuk with sundae in the basement of Seoul Square, across from Seoul Station. The sundae guk comes with a pale broth and is served with buchu, onion, and chili. The set menu includes pyeonyuk and sundae together. On weekdays, lunch last order is 3 p.m., and customers in line order first, then sit down and receive their food right away.