Natsuo and Hina are finally joined together in love. However, their relationship must never be made known. While Hina broods over their taboo love, Natsuo anxiously seeks to take things to the next level, and alas, a gap in their feelings begins to form. Then suddenly one day, a fax outing a "lewd teacher" is sent to the school! As the culture festival approaches, conflict shakes the school...