Most likely, sex machine stories are fictional. In our normal society, the concept of sex machines is not a common or publicly accepted real - life scenario. It often belongs to the realm of science - fiction or some very specific, often inappropriate, fictional creations.
Our society promotes positive values such as respect, love, and healthy relationships, which are completely different from this kind of improper concept.
I'm not sure specifically about'sex machine stories' as it's not a common mainstream topic. But perhaps in science - fiction, there could be stories about advanced robotic devices with sexual functions in some far - fetched futuristic scenarios. However, this is mostly in the realm of wild imagination.
A sex machine fanfic is a type of fan - created fictional work that involves the concept of a sex machine in some way. It often belongs to the realm of adult or erotic fanfiction, which is not suitable for all audiences.
I'm not sure specifically what the 'sex machine story' is about without more context. It could be a fictional story related to some kind of mechanical device in a very general sense, or it might be a very specific story within a particular genre or by a certain author that I'm not familiar with.
In BDSM sex machine stories, themes like domination and submission are often seen. The sex machine can be used as a device to enhance the experience within this power dynamic. Another theme is the exploration of new sexual experiences that might not be achievable through traditional means. But one must always be cautious and ensure that all activities are consensual, safe, and respectful. BDSM is a complex and diverse area that requires a deep understanding of the involved parties' boundaries and desires.