Kana is a strong-willed female teacher with a passion for education. One day, Nakata, a male teacher who dislikes Kana, plots to make Kana wet herself during class by giving her tea laced with a diuretic in order to humiliate her. As Nakata planned, Kana wets herself during class, and one after another, the men in the school rape her! Before long, her wetness turns into a pleasurable squirt...