じゅんさん
There are several stores that offer sake from all 47 prefectures in Japan (Okinawa's only Reimei is currently inactive in production), but I think I might like this Sake Yume, which has a pretty good selection.
Now, among such sake, Yamaguchi Prefecture.
Ki Special Junmai 60
It seems to be a standard sake, but the quality of Ki is still there. Pleasant acidity and rice flavor. It is a delicious sake with a pleasant mouthfeel.
Rice used: Yamadanishiki (Koji rice), Hachitanishiki (Kake rice)
Polishing ratio 60
Alcohol content: 16%.
Sake Yume Shibuya
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