Whisky Togouchi Japanese Premium Blended. Togouchi Premium Blended whisky is blended Japanese and produced by Chugoku Jozo producers, matured whiskies of a tunnel instead of the warehouse. The name arises from the location of the tunnel in the city of Togouchi, before teaming with two other cities and create a larger city, Akiota. This whisky Togouchi is no age statement.