The protagonist, Tetsuya Gojo, travels to the mansion of his distant aunt, Rikka Koujin, to borrow money for surgery for his childhood friend and older sister figure, Ayaka Utsumi. However, the condition for the loan is that he must find a beautiful woman in town, bring her to the mansion, and train her to be a prostitute. As he complies with the condition and rapes and defiles maids and schoolgirls, Tetsuya's hidden powers begin to awaken...
