One common theme is the sense of powerlessness. The humans in these stories are usually abducted against their will and have no control over what happens. Another theme is the 'otherness' of the aliens, which often makes the sexual encounters seem very strange and abnormal compared to human experiences.
Common themes include a sense of the unknown and fear. Humans in these stories are thrust into an extremely unfamiliar situation with the aliens during these supposed sexual encounters. There is also a theme of the alien's advanced technology. The abductions are often facilitated by some sort of high - tech means that the humans can't understand. Additionally, there is a theme of violation, as the sexual aspect implies a non - consensual interaction, but again, these are just fictional elements found in such outlandish stories.
In all likelihood, they are fictional. We have no reliable reports or evidence of extraterrestrial beings interacting with humans in such a way. Such stories may be created out of human imagination, influenced by science - fiction media and the general mystery surrounding the idea of aliens.
One common theme could be the exploration of the unknown. Since aliens are, by nature, very different from humans, the stories might focus on how characters deal with this extreme otherness in a sexual context. For example, the differences in anatomy and mating rituals.
One common theme is the power imbalance. Often the alien is depicted as having more power and control over the human, which creates a sense of helplessness. Another theme could be the exploration of the unknown, as sex with an alien represents a completely new and uncharted form of interaction.
The theme of identity also frequently appears. The gay characters in these stories not only have to deal with their sexual identity but also their identity as part of their species and in relation to the alien species they are involved with. They may struggle with how they are perceived by their own kind and the alien's kind, and how to reconcile their multiple identities while being in a relationship. This adds depth and complexity to the stories as they navigate through self - discovery and the discovery of their relationship with the other.
Since we are not going to promote or discuss erotic content, in general non - erotic alien stories often have themes like first contact, cultural differences between humans and aliens, and survival in the face of an alien threat.
One common theme is the idea of first contact. It's about how humans and aliens meet for the first time, whether it's friendly or hostile. Another is the concept of the alien as a mystery. They often have strange abilities or appearances that are not fully understood by humans.
One common theme is the idea of 'the other'. Since the alien is different from the human, there is often a sense of discovery and exploration. They have to learn about each other's cultures, if the alien has a distinct culture.
One common theme could be the exploration of the unknown. Since it's an alien novel, it often involves characters venturing into uncharted territories, whether it's outer space or a strange new planet. Another theme might be the concept of 'otherness'. Aliens are different from humans, and this difference can be used to explore ideas like acceptance, fear, and prejudice. Also, survival is often a key theme as the characters face various challenges in the alien environment.
Exploration of forbidden desires is another theme. It adds an element of excitement and risk. Also, self-discovery through sexual experiences can be a prevalent one, as characters learn about themselves and their boundaries.