At the prestigious Saint Orchis Academy, male students are subjected to severe discrimination by the ruling Azuma family. Seeking retribution, a group of male students led by Kuga orchestrates a coup, capturing the principal and the Azuma twins to subject them to brutal subjugation. With the former authorities broken and humiliated, the institution is renamed "Saint Slave Academy," establishing a new, cruel order.
During a lavish patron party at Saint Orchis Academy, Azuma Haruka and her peers are forced into roles as sexual servants for a group of powerful political and business figures. Despite her initial resistance and feelings of misery, Haruka is subjected to intense humiliation and pleasure, eventually breaking down and fully embracing her identity as a slave to the academy's benefactors.