Meh....
Well, to start, Rowling is a fairly attractive woman, so there was potential to this dress-up. But, honestly, it was wasted by NOT having any adult interactivity. The Union Flag g-string was cute, and she did indeed look surprisingly sexy in the leather bustier and fishnets, but that was about it. Give her some sounds (surely you can find sounds of an English girl moaning or cumming somewhere), maybe refine the art a little, and you'll have a game that's more fun. As it is, this is nothing too special.