Except for virgin nerds all men in the world have become rapist zombies. The zombies of course attack women. The women who are attacked die immediately. The zombies, in the meanwhile, cannot die even if shot or decapitated. They only die if their penis is cut off. The virgin nerds began fighting the zombies in order to save the girls.

Rape Zombie Side-Story: Hardcore of the Dead

There is a man who wants to have sex and any woman would do. His idea to get some is to become a married man, but ironically his wife was only into marriage and not the sex part. He becomes even more cross when she has an affair leading to his murdering her. He transforms into a creature who has three knives in the place of a penis. A club of nerds is climbing a mountain trying to meet this creature. They come face-to-face with the monster.