Rin has always been sick. He has always kept it hidden, never wanting his friends or brother to worry. As the symptoms get worse, only one person notices.
Rin wearing a towel, Amaimon cleaning him, they are in the bathroom together, and Rin's friends are about to walk in.... let's see how this will end shall we? *grabs popcorn"
I've been on the lookout for some good AmaiRin fanfics lately and this one is at the top of my list! I can't wait to see how Rin reacts to Amaimon and read what happens next.