Matsui Shuzo is nestled in a pine forest for which it is named, this small family owned brewery uses only local rice for its brewing. The toji, Motohiro Matsui, is also the owner, taking over from his father, running the company and responsible for all the brewing. He studied at Tokyo University and is a member of the Shimotsuke Brewer's Association. The water in Shioyamachi is soft, running through the mountains of pine forest surrounding the brewery for use in all production of sake. Unique to the brewing process is the blending of two yeast strains which is used to obtain a special flavor element within the sake.