Newly appointed teacher Machiko Natukawa finds herself in big trobule when one of her students gets blackmail material on her in the form of a signed pair of panties. Now she's d to participate in sex orgies with the male and female deliquents in school. Not only that, but her class is packed full of sadists, omaniacs, a sexually deranged nerd, a girl with a very big secret hidden under her skirt, and a mysterious network of spy cameras that put her exploits in the public eye. Machiko isn't likely to get control of her class any time soon!