https://takas-kitchen-jp.com/natto-kinchaku-fermented-soybean-in-fried-tofu-sachet/
Here is a recipe you can try, if you are already a Natto fan. The meatiness of Natto and crispness of grilled Abura-age (Thin fried tofu) perfectly match...
fermented soybeanfried tofunattokinchakusachet