The Blackmail II: The Animation

Asuka and Ryosuke, a young couple, decide to get married before graduating high school. While planning their honeymoon at a hotel, Asuka is suddenly kidnapped by a group of strange men. She is taken to a secluded parking lot, where she is repeatedly violated. Her kidnappers reveal themselves to be members of a sexual slavery ring that abducts young women to star in sadistic pornographic films. The situation worsens when Asuka's mother and little sister are also thrown into this horrible world with her, leading Asuka to realize that she might not have been a random target after all.