Where can I watch Keeper of Darkness in United States?

Street-smart exorcist Fatt has an unique method of dealing with vengeful spirits: He negotiates with them and persuades them to let go of their grudges. After recordings of his exorcisms go viral, Fatt attracts the attentions of a murderous spirit who’s targeting mediums, as well as a troublesome reporter who takes great interest in Fatt and his close relationship with a female spirit.