Discipline: The Hentai Academy follows Takuro Hayami, a newly transferred male student to the prestigious Saint Arcadia School, an institution that has recently started admitting males into its predominantly female dormitory. Takuro quickly discovers that the female students are aggressively pursuing him, drawn to his secret "Ultimate Sex Power." As his unique ability becomes known campus-wide, what began as playful seduction escalates into a fierce struggle for influence among various school factions.