Shochu mixed more than fifty percent and less than ninety-five percent of group Otsu is called "Otsu Ko mixed shochu" and more than five percent and less than fifty percent of group Otsu is called "Ko Otsu mixed shochu".
乙類を50%以上95%未満混和したものを「乙甲混和焼酎」、乙類を5%以上50%未満混和したものを「甲乙混和焼酎」と呼ぶ。