Mizuki is a very dedicated teacher. Her greatest joy is to see her students grow up. Adolescence is 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 prevent students from being too preoccupied with sex, Mizuki decides to satisfy their sexual needs. In addition, if students study hard and improve their grades, she will also "reward" them. As a result, Mizuki's students study harder, and everyone's grades improve. Knowing that the students' fathers are very curious about their children's progress, Mizuki decides to invite them to participate in a "special class" of hers to help them understand her teaching method better...