Cathula 2: Vampires of Sex (2004)

To find an ancient book belonging to the vampire clan, Katula plunges into sexual frenzy and has the most extreme and twisted orgies ever filmed. Cross the threshold of Catula Castle at your own risk! One day, an unsuspecting girl, to her misfortune, finds an amulet, which leads her to the grave of Catula. This magical amulet awakens Katula from an age-old slumber. And now the embodiment of evil, the vampire Katula returns to the human world again. She has only one goal - to turn all living people into sexual vampires.