Painting With Blood (Alastor x Fem! Reader)

Alastor x Fem! Reader The serial killer of New Orleans, Alastor, has noticed that there have been murders that he didn't do. Then he runs into (Y/n) a painter, they become friends. Everything is fine and dandy until (Y/n) finds out a little secret of Alastor's, will she be alright with it or will she panic? But little...