Mizuki is a very dedicated teacher. Her greatest joy is seeing her students grow up. The adolescent age is also the most sensitive age, and Mizuki has a 'special' teaching method to ensure that all her students become excellent students when they graduate. And that method is, to have sex with her students! Yes, to keep the students from being too preoccupied with sex, Mizuki decides to satisfy the sexual needs of her students. Furthermore, if the students study hard and their grades improve, she will also 'reward' them. As a result, Mizuki's students study much harder, and everyone's grades improve. Knowing that the parents are very curious about their children's progress, Mizuki decides to invite the parents to participate in a 'special class' of hers to help them understand her teaching method better...