The series, mainly center on Christianity, primarily Roman Catholicism, but near by include existed demons exceptional by the Shinto religion. Furthermore, in spite of rhymes from the bible's workings on demons, so do sutras from Buddhist scriptures. There is light humor, but it seems like its going to be a solemn action-oriented anime.
The sequence goes with Rin's search to turn out to be the toughest exorcist and to beating Satan. He begins out as a boy who is slightly of a negligent and as such gets into fights. He is typically at chances with his adoptive father, Father Fujimoto Shirou.