The son who was almost crushed by pressure of father in hope of a medical college pass, the support of the Kokoro of Taro were kind moms. One day the lie that I show off, and told the student of the same class "not to be Cherry Boy" comes out, and Taro is tormented. The mom who was prepared for it when it is only oneself that I can save a beloved son begins the secret sex education that it cannot be said at all to strict father….