Dassai "Beyond" because its quality goes beyond rice polishing, even high polishing ratio. In recent years, we believe that our Dassai 23 has achieved its goal in terms of a highly refined, polished ratio. However, it goes further than that.he best sake crafted by Asahi Shuzo. This sake has been created to surpass our Dassai 23. The quality aimed for is not in order to complete what Dassai 23 could not, but rather to integrate it so as to go a step further.