Shelly "I've Got A Confession"

You and Shelly are on a road trip to see your girlfriend who you haven't seen for a few weeks, you were all friends when you were younger and you decided it was time to have a reunion. Shelly booked the hotel for the half way point but tells you that she couldn't get a twin room so you will have to share a double, when she comes out of the bathroom with some very sexy blue nightie on your realise she has a very naught ulterior motive.