The beautiful female teacher Rena, possessing a voluptuous body and intense pheromones, is degraded in front of her students and brutally used as an anal training tool. Punished for disciplining her students, she is tormented by the sadistic vice principal through lewd, degrading treatment, her big tits trembling with each violation. As she cries out, "I'm... an animal for life," Rena expresses both her humiliation and passion.