Femslash (sometimes spelled femslash) is a type of story that features two female characters in a romantic or sexual relationship with each other. It can take place in any type of genre, from fantasy and science fiction to romance and contemporary fiction. It is a popular type of fiction written by people, usually women, and marketed primarily toward women. Femslash stories are often seen in fan fiction, which is writing about already existing characters or universes created by other authors. Femslash is popular in online fan fiction communities, where people post short stories featuring their favorite female characters.