You looked at the topless girl and thought "She said she doesn't care if I have sex right now..." You opened your jeans up and no one really cared. You took your dick out and some girl saw and looked away quickly but didn't say anything. You then went up to the girl that you took the top off of and most everyone just kept on their business and then you pulled off her skirt and panties and left the girl naked. A guy or two took a look at the naked teenage girl but you went on top of her desk and realized that there isn't enough space in the chair for you to get in and have your way with the girl and she wasn't moving. She looked fairly annoyed, possibly due to you stripping her of her clothes and her looking kind of cold and you currently on top of her desk making it hard to focus.
Irritated you started groping her B-cup breasts and then pulled a bit and found that they had popped off of her chest leaving her chest area completely smooth. You saw that you had removed her breasts so you went and took her head and yanked it off leaving her body just sitting in her seat boobless. You then pushed her breasts back into the headless body and it worked. You saw the head on her desk unable to raise her non-existent hands or take notes, but decided you'd have a little fun with her body and took the body to the back of the class and had a bit of sex. Afterwards you were left with a class still in session, a girl's body, and the power to do whatever you want. What do you do next?