This drink has mastered that “not-quite-coke” flavor any kind of non-Coca Cola cola has. Perhaps too well – a good 30 minutes after drinking it, the taste of this “non-carbonated cola beverage” still lingered in my mouth. Did I mention that this concoction started out as soy milk? Even with Japan’s history of abusing the humble soybean, this one really takes natto cake.
This article is from 2014 and may be out of date.