Sheris Elnes-Zarbach, the princess of the demon world, suddenly appears in modern-day Japan. She went to the human world in pursuit of her sworn enemy, the demon god Gilba. Sheris, who had seduced the female exorcist Akane Kido with her lewd magic and brought her to her side, was about to confront the enemy, but was defeated by Meduna, a water user and minion of the demon god. To the limbs of the immobile demon princess, Lewd, sticky tentacles entangle it. A long night of humiliation was about to begin, intended to reduce the princess to a female slave...