おやじぃ
Koshinoroku Haku. It is a very easy-drinking sake.
It is a delicious sake with a good balance of umami and acidity.
It is purchased from Nakamori Shoten in Naganuma-cho.
Postscript
It is said to be a new blended sake created by six sake breweries in Niigata Prefecture that have brands with "white" in the name.
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