The school was in chaos. A group of female students would relentlessly bully one student, and female teachers would buy female students with money to satisfy their own desires. Ethics were on the verge of collapse. At that time, a new teacher was appointed to the school... She would suddenly appear when there was trouble, and punish evil with a strap-on dildo between her legs... She was beautiful and had a sharp mind. The cool and mysterious female teacher, Reiko Kobayakawa's quest to reform the world is about to begin!