Once again, the brother and sister are ordered to make children by force as a measure to combat the declining birthrate in the country... but this time there are three! But will only one of them be impregnated? However, to the sisters, the brother is just a errand boy, and there is no way that will happen... The brother has been oppressed by his sisters for many years, but he is at the end of his tether. The power balance between the three that has continued for many years is easily destroyed by the overwhelming power of his penis... Which of these two sisters will he impregnate? What will the brother's penis answer?