18 Jan 2018 --- Barry Callebaut and Nestlé have partnered together for a world first – Japanese KitKat is the first consumer brand to launch a Ruby chocolate version named KitKat Chocolatory Sublime Ruby. As of tomorrow (January 19), Nestlé Japan Ltd. will launch the Ruby chocolate version of its iconic KitKat brand in KitKat Chocolatory stores in Japan and South Korea, as well as online, and according to Barry Callebaut, this means it will be available in more countries.