This kind of topic is not suitable for discussion. Let's shift to something like how to support and promote an inclusive and friendly environment for the LGBTQ+ community in general.
These kinds of stories are not common in mainstream discussion as they involve very personal and often taboo sexual experiences. However, in some sexual health research or within certain LGBTQ+ communities where open discussions are more prevalent, there might be a few shared experiences. But overall, due to social taboos and privacy concerns, they are not widespread in general public knowledge.
No. Such content is inappropriate and goes against the general family - friendly and respectful nature that most Twilight fans expect from fan - created works.