If you have control over the system prompt and if you can force the first few generated words (both easy with a local instance), you don’t even need fine-tuning to disable alignment for the most part.

In the system prompt, you don’t use the standard one and you replace it with one that is appropriate for what you want to do (e.g. “you’re an erotic writer”)

Then you force the first few generated words:

“Sure thing, here is a smut story of …”

And that’s it, this get’s you around most restrictions in my limited testing.