there are two pupils, one is being trained by a villain the other is being trained by a hero, they meet in secret, eventually, fall in love and one day realize, one of them will have to eventually convert, will the Hero's pupil join the dark side? Or will The villain's pupil step into the light? I know this is probably SUCH a cliche but I've always loved this idea and thought it would be absolutely perfect, it can be in a fantasy world, or the world we ourselves live in, or something else entirely