Strong Zero in the uk ??

-196 ( Minus 196) is a international branding of the Strong Zero, a “Chūhai ” which is traditionally a mix of carbonated water and barley shōchū (shōchū is a distilled Beverage that is normally 25% alcohol) but moderen shōchū versions uses vodka as a replacement.

-196 is made with fresh fruit that has been frozen by liquid nitrogen to -196C and then crushed.
The flavors Currently available are Lemon and Grapefruit,  and it is 6% strong.

currently in the uk, you can find it in some Co-ops,
Whsmith’s , Yo!, Nisas, Amazon, Tesco