Happy and everything, but still, as I said before, a really stupid cop-out. Don't make a story like that if you're not willing to follow through. Especially since a lot of the time this is done simply because the author thinks readers aren't going to want to follow a heroine who's "used goods" so they reveal that she thinks she's lost it but really she just passed out and woke up believing it or some BS like that. If you're going to bring such subject matter up, then face them with the question of whether the rapist deserves to claim that moment, or whether the girl deserves to bear that shame (as it is clearly being seen). Rather than coddle the audience with "It's okay, she's actually still pure", make them question why they think it's alright to blame a victim of violence for being brutalized.
Sorry, this is just one of the tropes I hate the most in anime and mange today, and it comes up a lot. Either have the story involve rape or don't, but don't pull nonsense like this.