Super Premium, Junmai Ginjo, Japanese Sake. TY KU Sake Black is rapidly becoming the most popular sake in the U.S with its unparalleled quality, taste & style. TY KU Sake Black is specially craft brewed in Nara, Japan, home of the world’s first sake brewery dating back to 680 A.D. This super premium Junmai Ginjo sake utilizes 45% milled sake rice. This classification represents the top 6% of all sake in the world. TY KU Sake Black is crafted for true food & wine aficionados.