Madame Marissa did not like how her classmate was disruptive and liked to disorient and disorganize. She did not want him to do it anymore as he did not listen to anyone's counsel or advice. He had to be dealt with and madame Marissa took one for the team and dealt with him. She crushed him with her sexy giantess and made him feel pain he had never felt before. He changed to avoid further punishment and being turned into a little man.