St. Orchis Academy is coeducation school just like any other normal school. The next director of St. Orchis Academy, Haruka Azuma. She’s busty blonde milf with
arrogance personality who doesn’t value the existence who cannot get a good result. Every staff including the teachers in the school were stressed because of the pressure she gives. But a shadow that brings even more harsher life is creeps into the school. That shadow is comes from Nishiki family, a conglomorate family with strong influence in both political and business world. Nishiki family secretly turns people into slaves of pleasure and gains profit from it. The Nishiki family was sent to destroy Azuma’s family which is the founder of school whose also the very root of the St. Orchis Academy.