The "S" stands for

"A special sake to enjoy slowly on Saturday and Sunday"

Kizakura S Junmai Daiginjo has a gorgeous incense like a fruit and a flavor of the original rice. It uses 100% of Kyoto 's famous water "Fushimizu" and the best brewing suitable rice "Yamada Nishiki".
Rice-polishing ratio up to 50%, ferment at low temperature of 10 degrees Celsius slowly and carefully for a long term. Having both gorgeous fragrance and good taste, it's compatible with a dishes that make use of the taste of materials and the dish of simple seasoning. Please enjoy yourself slowly at special times and weekends.