Defeated Heroine. I Will Never Be Defeated By The Aphrodisiac Pleasure Fall...! Mary Tachibana

Police officer 'Mary Tachibana' fights in secret... Against those who lose their sanity and go on a rampage, their strength multiplied several times over, and who die within 24 hours of onset—the 'Nightmare.' Along with the transformation belt entrusted to her by the doctors, including her father, she confronts the evil that comes to steal it!