So what were the things nibbling on everybody? The demon's in the titular rum?
This story was okay. The part before drinking the rum got pretty repetitive.
Barkeep: I want a story, like one about somebody who does terrible thing A to another person.
Customer: Sorry, I don't know any story like that.
Barkeep: What about a story where somebody does terrible thing B to another person.
Customer: nope.
It was clear from very early on that the protagonist did indeed do these things, and so it was just a matter of waiting for the reveal.
then at the reveal, terrible things start happening to him, but it wasn't really clear WHAT exactly that was supposed to be. Demons nibbling away his ears because he didn't choose to listen I guess? I don't know. I
I think the main body of the story was too bland for me, and though the ending contrasted with it, I didn't really feel like it was well connected as part of the same story.