This is Edo Kaijo, which uses Aiyama, a rice suitable for sake brewing that is difficult to obtain. Aiyama is a thoroughbred in the rice world whose grandparents are Yamada Nishiki and Omachi, the highest quality rice suitable for sake brewing. This is a highly finished product with a fruity taste that you feel the moment you put it in your mouth, followed by a faint bitter taste that gives it a mature feel.