I should probably point out that I'm insane. And hardly come on here to tell anyone things. And yet, I manage to reblog a lot of things. Recently, Hetalia. I should run off and reblog other things but it depends on how awesome it is. And my definition of awesome could be hazy...
At least I'm actually updating this from my crappy one I had two minutes ago...
I’m sorry for the slow reply! But I have good news, I think I found the story you were looking for:
(This index page here has a link to all of the parts in case you get lost. Sometimes the kink meme can be hard to navigate.)
Since I found a number of vampire USUK stories on the kink meme, I thought I’d go ahead and share links for them too. I haven’t read through any of them, but hopefully they will sate your thirst for
bloodvampire stories ;)
And if you want more vampire APH stories in general, this index has a lovely list of them.