Made by Suntory and is a 'Chūhai'- a highball cocktail made with 'Shōchū', a Japanese liquor distilled from rice, barley, potatoes, or buckwheat.

Shekwasha (flat lemon) is a green colored Okinawan citrus fruit similar to kabosu, yuzu, and lime, but tartier. 

The name Strong Zero comes from the fact that they are very strong (9% ABV) and contains zero sugar.