Otokoyama of local sake brewed in spring water of in Asahikawa, Hokkaido. In 1977, It was the first time in the world to win Monde Selection award for sake. It has been going on for 40 years. In addition, won many gold medals in domestic and foreign liquor competition and NRIB (National Research Institute of Brewing). Otokoyama's sake is rooted in Hokkaido.