About this reports write a local resource of the Central Bureau of Statistics. According to the article, "Krystal" was the first restaurant in Sumy with a bar and two banquet halls. Its construction began in 1972, and closer to the 2000s it was turned into a private joint-stock company. After that, the institution began to hold various events: proms, weddings, corporate parties.
On November 21, 2021, "Krystal" officially ceased its activities, and a month later a supermarket was built in its place.