"I've taken over the roof of our house so I can soak up the sun during the day when I don't have a class," said Carolina. "My folks both work, so I don't have to worry about anybody disturbing me if I get naked. I really want to have sex up there, but my boyfriend won't go for it during the day. But when my folks go on vacation, we'll have lots of sex up there at night when it's cooler. It will be neat doing it under the stars, too. It was an ideal place for me to pose for NN.".