Keeping the original taste of Gaeseong food, this restaurant serves customers with the unique food which is not easily found in other restaurants in Korea. Reformed from a common house in Wonji-dong into a restaurant, it has a cozy garden and one can get the view of the Cheonggyesan Mountain from there. The halogen lamps installed on the tables help people to enjoy the food at a proper temperature without any flames. Customers can watch and enjoy various culinary delights prepared by chefs from around the world. The restaurant's great wine cellar contains 1,200 bottles of vintage wine.
Customers enjoy choosing a wine with the sommelier.
There is a shop selling tableware made by famous potters at the entrance. Reservations are needed. Once in a Blue Moon is a live performance-oriented club which has a similar atmosphere to the Blue Moon jazz club in America. Foreigners and celebrities join the regular customers who are lovers of jazz music in their thirties. Various genres of jazz music are performed at Once in a Blue Moon, including original jazz, swing, bebop, and fusion.