Slightly sweet aroma after a while in the mouth.
A slight fizziness.
From there, a pleasant sour and salty taste lingers in the mouth, while a sweet aroma can also be felt.
The first sip makes you think it is water.
Later, you feel the acidity and umami. It is still refreshing.
As you drink it, you will taste a hint of sweetness.
It might be good if it is cooled down moderately.
The fourth cup of sake cost sake brewery.
I don't feel sweetness as I expected. I think it has a strong sour taste. I also felt bitterness, but there is a faint sweet aroma.