Originally Posted by
groovbusta
Of the 4 you mention, I'd say NFTB is the most widely available at regular retail prices. It's regularly available at chain liquor shops, independents, as well as central Tokyo supermarkets.
You can still find NAS Yama, Hak and Yoichi at retail, but it's not as consistent and may require a bit of searching.
Nikka Tailored should be widely available as well