A strong-willed and dedicated female teacher, Kana. A male teacher, Nakata, who finds Kana annoying, one day plots to humiliate her by giving her tea laced with a diuretic to make her urinate in class. As Nakata planned, Kana ends up wetting herself during class and is then raped one after another by the men of the school！！ The urine gradually turns into an orgasm of pleasure…
