All because of a Murder (Mattheo Riddle+ Y/n)

Y/n Granger was having a normal day until she decided to go to a book store in the muggle world. There, she almost got kidnapped, but with the help of a stranger (and a knife), she didn't. This unknown murderous man, that was sneaking his way into Y/n's thoughts and her heart soon comes to Hogwarts. No telling what mi...