Haraiya-san wa Hen na Oshie ni Nanka Makenai Haiboku Route

An exorcist is captured by a cult that worships monsters and believes women exist solely to be impregnated by them. She is forced into a revealing outfit and subjected to relentless sexual assault by goblins and other creatures. Despite her initial resistance, her spirit is eventually broken and she is completely brainwashed into accepting their teachings. Ultimately, she becomes a willing participant in their breeding rituals alongside another brainwashed woman.