RBD-844 Isawa Ryouko, Aoyama Natsuki, Nishita Karina, Ninomiya Waka – Servant Teachers: The Wicked Women’s Lessons – Attackers Costume – Humiliation – Behind-the-Scenes

Headmistress Yuuriko from Minamiyama Academy confronts a rebellious student while inspecting school management practices. The defiant student retaliates by bringing in a group of unconventional teachers, targeting Yuuriko's mother, Mizumi, as the first target. They infiltrate the Minamiyama clan, ultimately dragging her into a lesbian orgy.