The Monkey God Extermination (1976)

A traveling monk discovers that three monsters have deceived a village into sacrificing a young girl to their appetites every autumn, for fear that their harvest will be ruined. The monsters leave a hint as to who could stop them: Hayatarō of Kōzenji in Shinano Province. Thus, the monk sets out to find this mysterious figure who could end the needless sacrifices for good.

Unfortunately the movie The Monkey God Extermination is not yet available on HBO Max.