The masked beautiful girl, Aurora aka Nozaki Meimi, protects the city's peace and eradicates evil with the sacred power bestowed by the gods. However, the malicious scientist Dr. Dokushima develops human genetic manipulation and a brainwashing headgear device, using it to control ferocious beasts from the zoo and launch attacks on the city. Aurora, who loves animals, cannot fight back against the beasts and is captured by the doctor's tranquilizer gun, falling into his hands. She suffers brutal torture, becoming both a test subject and high-class sex slave for the doctor. Her pure, innocent mind and virgin body are gradually corrupted by waves of pleasure. Can she save her own life and the animals she cherishes? The story inevitably spirals toward tragedy.