Schlësselwuert Drums

From the beginning of all, there were battle gods called "Gourikishin" who team up with human partners they revere as "Oyakata" as they go through battle called "Kamizumo". Now in the present, an elementary student named Dai Mugen encounters one god name "Koutetsu" who fell from the sky and ask, "Please become by Oyakata and together let's kamizumo!!"