弥生ぃ(つ∀`*)大信州 KEYKEG キーケグ生酒Daishinshu ShuzoNagano1/18/2022, 3:31:14 PM7/26/202019弥生ぃ(つ∀`*)Nagano Matsumoto Fuurinkan The first method to prevent oxidation using a key keg. At the time, this was the only place in Japan where you could taste it.Japanese>English