DASS-911 Defeated heroine. I will absolutely not lose to the pleasure of aphrodisiacs...! Mary Tachibana

Police officer Mary Tachibana was fighting a battle in secret... She faced off against evil forces trying to steal the "Nightmare," a transformation belt entrusted to her by doctors, including her father, which causes her to lose her sense of self, become violent, gain several times her normal strength, and die within 24 hours of infection!