STEP 3/5
2 cups soy sauce, 1 cup sugar, 2 cups kelp water, 1/4 cup tuna liquid, 11/3 cups vinegar,
Add 1/3 cup of Jo Art and column of shiitake and bring to a boil
STEP 5/5
After 2 hours, just pour soy sauce and boil it again, cool it down, and pour it.