トリガー２

Trigger 2 consists of three unrelated stories. The protagonist of the first one is Kerberos, the mythical guardian hellhound. Following a dispute with Lucifer, Kerberos was banned to Earth, where he assumed human form and eventually decided to battle monsters who had been sexually assaulting young women.

In the second story, a seventeen-year-old modern-day girl named Ryoko is magically transferred to a parallel world known as Ryudo. There, she receives painful sexual "training" ans is send to battle machine enemies.

The third story is set in American Old West and focuses on Marie, a female rogue who wants to pass for a young man. The rest of the plot depicts various sexual encounters of hers with men and women, consensual and non-consensual alike.

Mobygames