After chasing the evil Gilva into the human world, Sheliss, the Underworld princess, and the demon killer Akane Kido move in on their enemy's hide-out, but are defeated by the aquatic magician Meduna. Sheliss' dress is ripped off during a heated battle and slimy tentacles penetrate her every orifice. The magician turns her clit into a cock and she takes Gilva's virginity as their tight little pussies are acing to be pinned down and forced open. Her strong will is erased by milky white pleasures, and rationality fades away from her eyes...