you're a slytherin, oliver is a gryffindor. you're a chaser, he's a keeper. you both are the captains of your quidditch team. you of slytherin, he of gryffindor. and you both hate each other. every slytherin vs gryffindor match it's not slytherin vs gryffindor, it's you vs oliver. well, and then there's this one night. this damn night, you both were drunk but you slept together and this damn night will have its consequences.