Fuck with a invisible cock

...wish for something unusual. "I wish that I will get fucked by a invisible cock that will disappear from existence the moment my first class ends. Nobody can see me or wonder where I am while I'm getting fucked" she said. The moment Jenny finished her wish, she was surprised to see her vagina open up by the invisible cock. As it pushes upward though her vagina, she was hit by pure pleasure and collapsed on the floor. All throughout the remaining time of Jenny's first class, she had the best sex ever and she almost wished it never end. Once the bell rang, she felt the cum of the invisible cock and to her, it felt wonderful. The rest of the classes came and went without a hitch. Then it was time for lunch and because it was the last day before the summer break, everybody ate outside. To Jenny, it felt great to be naked outside where she could fell the sun light touching places it never touched before. After the lunch, everybody went home because lunch on the last school day marked the end of the school year and the beginning of the summer break. Because it was summer now, Jenny had now an idea she wanted to try out, namely...