In a small saucepan cook the ginger with 1/2 cup of plum wine and rice vinegar. (abcnews.go.com)
It's possible that some Japanese plum wine helped to boost the spirits too! (colorandgrace.com)
«Attack on Titan» is getting more promotional items in Japan, this time in the form of plum wine with an interesting connection to the franchise's creator. (techtimes.com)