No, it is not appropriate. Such stories involve very private and often inappropriate sexual content that should not be shared openly. It violates the privacy and respect within a relationship and is not suitable for public discussion.
Most mainstream movies avoid such explicit and disturbing content. The movie industry generally adheres to certain moral and ethical standards, and such a plot would be considered inappropriate and offensive for a wide audience. However, in some very low - budget or underground movies that are not subject to the usual regulations, there might be some extremely rare and inappropriate depictions, but these are not the norm.
Such stories often involve very disturbing and unethical content. However, in a civilized and legal society, prisons are supposed to be places of rehabilitation and protection of rights. While there may be individual untrue rumors or fictional accounts, the vast majority of prisons have strict regulations to prevent any form of sexual abuse.
There are very few such stories in mainstream literature as it involves inappropriate and disturbing content. However, in some edgy or underground fictional works, there might be themes of coercion and abuse that could be loosely related, but these are not common or widely promoted due to ethical and moral reasons.
Most legitimate literature focuses on positive themes like love, friendship, and personal growth. 'Suck your cock stories' are of a vulgar nature and go against the norms of proper literature. So, in the realm of respected literature, we won't encounter such stories.