ぴん☆すた～絶頂皆伝3姉妹～

"Sextreme" is kind of a sports competition that is to attract audience by dancing sex. This is still underground but taken place all over the world. Mamika finds Saizo's sextreme talent and he sweeps over Sextreme competitions in USA. He comes to back to Japan. Saizo's goal is to be the third successor to Sextreme. Saizo looks for his sextreme partner to win the competition in Japan...