A strange virus attacks the human genetic code and transforms people into monsters with demonic powers. Komada and Koshigaya are just a couple of guys (Professors, actually) who hunt the night to extinguish the Demon Virus whenever they encounter it. One of them is already infected by it, and the infestation spreads every day....
Meanwhile, one monster is stalking the streets of Tokyo, ripping open young women and devouring their livers. A famed psychic holds the secret to the identity of the monster. Now it`s up to Koshigaya and Komada to reach the psychic and his beautiful daughter, before it`s too late!