When you say 'she likes it rough', do you mean she likes rough kissing (whatever that would be
) or rough sex? For the latter, there's David Shade and caveman style like chenkins recommended. As for rough kissing - I like light lip biting (dont overdo it though), but I'm not sure that actually constitutes 'rough'...
Mad props for having the confidence it'll go well. Just stick to the decision that you'll make out with her and preferably have a plan for full close (have condoms, clean your room, stock up on lube and massage oils, etc.). After that - keep on leading and enjoy the ride...