The third OVA adaptation of Yoshiyuki Uba's Harem Cult, where sex, poison, and malice fuel an information war between a corrupt student council and its enemies. In the adult academy role-play Harem Cult 5: If Words Can Kill — Akari Hizen, literature-club member Akari Hizen believes her revenge was completed after the man she loved was stolen, but the student council's scheme leaves her blackmailed by gym teacher Kumada. Treating herself like an object, she shuts down emotionally as Kumada assaults her. In Harem Cult 6: Silence, faculty adviser Ringo Mashiro is framed and forced to leave the academy, while Tatsumi is detained by the student council. President Awano and council member Hikita keep abusing her, then expose her humiliation before the other adult students.