Kirin Free, the world's first 0.00% alcohol free beer, was the product of the year two years ago and has been a great source of profit ever since. The reason for this is alcohol taxes are very high and this item is sold right next to real beer - meaning that even an inflated price looks like a bargain.
In this social media post, they suggest making an ice cream and fruit float using Kirin Free. If nothing else, it certainly is pretty. キリンフリー
Photo is a web capture for explanatory purposes, copyright belongs to the company.