Le vice italien
le vice italien is a story written by CAT ATTACK. It ran in Issue 32 at http://s2b2.livejournal.com/185689.html, and is mirrored at http://www.shousetsubangbang.com/mirror/le-vice-italien/.
From delicious.com: "Derren wakes up naked and smelling of booze next to a man, which is weird enough on its own. Unfortunately, that man is also the professor he TAs for. This fic is short and hot."