Sake should drink hot or cold?
When you try sake, many people have image to have”Hot sake”(atsukan) but
most good sake should be enjoyed slightly chilled. Cheaper sake is served warm.
Also If it’s cold winter, you would like to have hot sake to get warm.
There are grade of sake. It’s call Daiginjo is the highest quality (very highly polished rice at least 50% polished) Good quality of sake needs fine quality rice and water.
Famous good sake regions are “Niigata, Kyoto and Hiroshima” prefectures.
If you tried decent sake (750ml bottle of Sake around 1500-2000yen at the sake shop) you will discover how fruity and smooth it is!