Okay, this is one of the hottest things I have ever read in my FUCKING LIFE. I was panting and kept squealing and my roommate kept asking if I was okay.
I love the way you write, and the plot was integrated.
I really had a sense that your Harry was the Harry from canon. I find it rare that it's true. I LOVE sexually experienced!Draco and awkward!Harry. And I love that the sex was used as a means to an end. It was wonderful just for the p0rn, but it brought many problems in Harry's life to the forefront. I love the characterization here.
AND OMG. The Snape fangirl in me is kissing you relentlessly for having Snape involved in the sex. Ooooh, GOD. Okay, I'll stop moaning like a wanton slut (which I am), but thank you so much for a wonderful fic.