R-18 Armored Warrior Iris (装甲騎女イリス) - Hentai Game

Description:
People moved in space, public order and security was maintained by the space federal managed by various species including human beings. The lead character Iris and her partner Meiry are the ace pilots of the 101 special unit, belonged to the federal army SSF.
Elaborated sex story of girls imprisoned in a whorehouse!
Iris is captured by a blackbirder in the middle of fierce battle, and taken to a city Mirion ruled by the enemy forces. She is forced to have a devil’s collar around her neck which blows up if she attempts to escape, and have sex with men as a whore.
Choose a guest from various kinds of characters: human beings, sub human being, and monster!
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Tags: Blowjob, Breast Expansion, Doggy, Female Protagonist, Futanari Protagonist, Handjob, Insemination by Non-Humanoids, Mindbreak, Nukige, pregnant sex, Prostitute Protagonist, Science Fiction, Sex Involving Prostitution, sexual slavery, Tentacle Rape