It is brewed using "natural white malt sake mother" grown without using lactic acid for brewing "todayaka" of the Niida head family. This is a limited edition sake that is matured in wine oak barrels. This is a limited edition sake made by maturing in wine oak barrels. The slightly pink color like a rosé wine comes from the barrel. It has a refreshing acidity and you can drink it smoothly like a match between Japanese sake and wine.