Remus in Heat

Story is based on the following prompt: "3 S enters R's rooms to find him wanking and/or frotting against a pillow. R won't stop as S starts to snark around. After some time S finds out that some magic went wrong, and that this is the reason of the ongoing show." Snupin Santa story from 2008. I've recently remembered that I forgot to post those here after the event was over.