Octone Brewing, pronounced o-ku-to-one, is a brewery and brewpub located in Minakami, in Gunma, Japan. Octone Brewing opened in April 2018 in an area of Japan that is more famous for its scenery and sports in the area than for its beer. Octone Brewing is located in a corner of the Yubara Onsen district, which is a downtown area of …