The main character, Tetsuya Gojo, goes to the ``mansion'' where his distant relative and aunt Rokka Kojin lives in order to borrow money for the surgery of his childhood friend and older sister Ayaka Uchimi... However, the condition of the loan is that the town... His plan was to find beautiful women, bring them to the mansion, and train them as ``prostitutes.'' As Tetsuya violates and defiles maids and schoolgirls according to her conditions, Tetsuya's hidden power awakens...