The Night When Evil Falls

A hentai released in the 2006.

Sheliss Elleness Zurbach suddenly appears out of the blue in modern-day Tokyo. Destiny has brought her to the human world - destiny in the form of an evil adversary named Gilva. Needing help in tracking down her enemy, she enlists a sexy demon killer.

What Sheelis didn't count on was that a crazed, slimy, tentacled magician would paralyze her and turn her into a sex slave. The slimy tentacles slither all over the paralyzed princess' body... A long night of sexual punishment is about to begin.

Night When Evil falls has examples of:

 * All Men Are Perverts: Double subverted.
 * All Women Are Lustful
 * Big Bad: King Zurbach
 * Black Comedy Rape
 * Covert Pervert: Sheliss and Akane.
 * Decoy Protagonist. Akane
 * Everybody Has Lots of Sex
 * Evil Versus Evil: King Zurbach and Sheliss vs Gilva.
 * Get It Over With: Akane and Sheliss say this to Gilva.
 * God and Satan Are Both Jerks: king Zurbach and Gilva.
 * I Have You Now, My Pretty
 * Instant Seduction: Sheliss to the humans. Justified by the Miti's spell.
 * Ms. Fanservice: Sheliss, Akane and Meduna.
 * Rape Is a Special Kind of Evil: Inverted trope.
 * Ready for Lovemaking: Sheliss at the end of the second episode.
 * Sorting Algorithm of Evil: Mercenary --> Sheliss --> Gilva
 * Sliding Scale of Beauty: Sheliss is considered "World class beauty".
 * Sex Slave: Sheliss and Akane at the end of the series.
 * Sexual Karma
 * Teens Are Short: Sheliss, Meduna and Akane measure 152 cm tall.
 * Unishment: Sheliss and Akane are constantly raped, but they enjoy it.
 * Unholy Matrimony: Meduna and Gilva.
 * Villain Protagonist: Sheliss.
 * Worf Effect: Sheliss and Akane.

!Dubtitled!'' has examples of:

 * Big Yes: The Big No/ Oh Crap of Sheliss, become this.
 * Brutal Honesty: When Sheliss and Akane are sexually excited, they say it very openly.
 * Character Exaggeration: Sheliss and Akane. Including ....
 * All Women Are Lustful
 * Unishment
 * Covert Pervert: Averted trope. In this version, Sheliss openly declares that she likes sex.