Her Acquaintance, A Whole New World

[Black Butler various x Reader] (Y/N) is one of the few rare humans who was gifted with magic powers in her world. With magic users being hunted for due to their abnormal powers, (Y/N) finds a book that enables her to travel to a different world. What she didn't realize was that the book would send her to one of her favorite anime, Black Butler. Now she has been thrown into a place full of demons, angels, and countless bizare moments. I wonder what will happen?