Because what would be better than Howl's Moving Castle with aliens and blood drinking?
Can thank a mousey at wank_report for this as well. And because I am lazy the write up is copy-pasted with links inserted.

So Untherius has a reputation as being someone you don't want to get fic from at Yuletide--background as to what he does here.

("Shout out to Untherius for the lowest of the low. At least the Gay Dragon fic was recognizably set in Pern.")

("I honestly don't think anyone deserves Untherius as a writer, unless you've maybe committed genocide or something.")

This year, he writes another Howl's Moving Castle fic for abluestocking...one that includes a crossover with two fandoms that the recipient is unfamiliar with, as well as graphic violence (blood drinking, consumption of raw organs).

This after abluestocking politely indicated that she would prefer not to receive a crossover.

People on fail_fandomanon collectively go "oh my God", and it's posted to yuletide_coal as well.

Then, someone who appears to be the recip, based off of their comment, comes forward:

So I got a primary fic that I...can't read?

That sounds funny. It's not in another language or anything. It's just that the author 1) did a crossover with a fandom I have absolutely no familiarity with, 2) wrote my requested character as an OC, and, most importantly, 3) wrote the entire thing around something that is a complete squick for me (and probably a lot of people).

A little further downthread, we have someone defending Untherius, calling other Yuletide writers/recips "entitled". The same anon appears again, and the end result is that someone posts a critique to the work on AO3 and the defender!anon flounces from Yuletide.

And all of this happens before reveals.