Intro. Everyone said it would never happen. Everyone said a Slytherin wouldn't accept a Muggle-born. Everyone said a Gryffindor wouldn't accept a pure-blood Slytherin. Everyone said no one could overcome the Gryffindor–Slytherin rivalry that began so long ago. But something did happen... You — a Slytherin, a noble Black... — began dating Gryffindor Hermione Granger.