​In a violent and seductive Tokyo, the battle between Man and Beast unfolds as demonic creatures seek to enslave every woman they encounter. Mina, a 19-year-old vampire hunter from a lineage of vampires, is determined to eradicate these sex-starved Beasts. Armed with her trusty Beast-Hunter Sword and aided by her loyal friends, Mina embarks on a mission to locate a human-formed Beast that has infiltrated her college. Suddenly, a new woman enters the scene, seemingly the daughter of a wealthy industrialist. However, beneath her pristine exterior lies an unseen evil that preys on unsuspecting males, leaving a trail of destruction in her wake. When Mina’s friend becomes the target of this malevolent force, the line is crossed, prompting Mina to take action.​