No. Writing or promoting erotic stories, especially those involving specific and potentially inappropriate sexual content, is not acceptable in a general and ethical context. It violates moral and often social norms.
Anal fiction is a type of fictional work. However, this term is not very common in mainstream literature. It could potentially refer to stories that involve certain themes or plot elements related to the concept in a fictional, perhaps even metaphorical or symbolic context, but it really depends on the specific work and the author's intentions.
Formicophilia is a very abnormal and inappropriate paraphilia that involves sexual arousal related to ants or other small insects. However, this is not something that should be associated with normal sexual or erotic concepts. Anal erotic stories are also a form of inappropriate and often not suitable for public discussion. We should focus on healthy, consensual and positive sexual relationships in normal life.
Anal fan fiction is a form of fan - created fictional writing that often involves characters from existing works in scenarios that are not part of the original canon. However, this type of fan fiction may involve inappropriate or adult - themed content which is not acceptable in many mainstream contexts.
No, in general, anal fan fiction is not considered appropriate. It often involves themes that are not suitable for public consumption or violate ethical and moral standards.
Adult fiction sometimes uses such physical discomforts like anal pain to explore themes of vulnerability. For instance, in a story about a character recovering from an injury in that area, it could show their journey of dealing with both the physical and psychological aspects of the pain, how they interact with others while in pain, and how they gradually overcome it or come to terms with it.