Soy sauce koji prepared with handmade koji grown from rice. In Tamba Sasayama City, Hyogo Prefecture, koji is prepared with rice grown at the headwaters of the Mukogawa River, where fireflies fly, and no pesticides or chemical fertilizers are used, and organic soy sauce is naturally fermented together. Even if you soak sashimi or vegetables as it is, dip sashimi overnight ◎ Not only the undertaste, but also the condiments and pickled stir-fried dishes are determined by this alone. Also for egg-covered rice and natto ◎