Just mix it with hot rice and you can easily make rice balls that taste like the ones you get at yakiniku restaurants. 
Mitsukan Omusubiyama Yakiniku Restaurant Sauce Rice 24g is a mixed rice base that you can easily make flavorful yakiniku rice balls that taste like rice that is thoroughly soaked in sauce, just by mixing it with hot rice. The sweet and spicy yakiniku sauce is enhanced with the umami and flavor of savory grilled meat, resulting in a satisfying finish that lets you really taste the meat.

Product specifications for Mitsukan Mitsukan Omusubiyama Yakinikuya no Tare Gohan 24g