The protagonist of the hentai Ryo Kawabata just loves to watch over the women groveling before him, who are forced to obey him. Since he is a student, all of his victims are in one way or another connected to the institution - female students and female teachers. Almost all of the female teachers have succumbed to his will and influence and have ceased to resist, obeying any of his even the most lustful orders. However, among them there was one who was able to defend herself and not give in to Ryo-kun's provocations. She turned out to be a young transferred teacher Yuna Hajiura. She informed the academy authorities about her student's misdeeds, but there was no reaction due to the risk of damaging the reputation of the institution. Instead, Ryo was simply expelled and his crimes went unpunished. Wasting no time our hero enrolls in another academy, where he soon meets Aina Hagiura, Yuna's younger twin sister. Thanking the devil for his incredible luck, he decides to take revenge on his offender through Aina and sets out on a hunt...