Cannot get it out of my head.

Jack knew his daughter was up to something when her grades suddenly improved.

He thought she was copying off another student.

He decided to keep an eye on her.

But despite his best efforts he could not catch her cheating so he decided to use a piggyback spell to possess his daughter and see what she got up to without her knowing he was inside her head watching everything she did.

And to his horror he discovered she was screwing her math teacher for better grades and unbeknownst to her while she was screaming with pleasure he was silently screaming inside her head unable to leave until she had finished.

AG