I'd like to preface this short, very short little story by saying I, in no way, shape, or form, approve of incest. When I read slash, or yaoi, I make a point to avoid incest themes and pairings. My main "couple" in this fanfiction is Aladdin and Cassim. However, in the universe this story is set in, they are not related, and you'll have to read to see why. When I watched the third Aladdin movie, I noticed their dynamic, and wondered how that dynamic would play out if they were not related.
There is slash, but nothing too heavy. So again, this pairing is NOT an incest pairing.