The Demon Slayer Chronicals: Exorcist

Meet Vladmir, Vlad isnt your every day seenteen year old, he's a demon slayer. He was chosen by the pope to take on the duty to save us from the evils that blended into our world. He chose Braxton as his partner to keep an eye on him, Braxton was a bit naive, and if he got out of control...
The monastary would issue Vladmir to excute him. Meet Braxton, he's part demon, he has the powers of a demon, but the apperance of a human. Thats how he keeps his demon like tendacies under control. With the help of his best friend Vlad of course. They meet a young exorcist, named Mary, who they saw perform an excorsism in the woods on a possesed man that Vlad was sent to kill. As things turn out for the worst, and the Demon Lord Kurami decides to start a war against the men in the church, and eventually the mortal people. Vlad has to choose wether he is who he thinks he is.