Frankenstein's Breeding Toy Part 4 - Frankenstein's Breeding Toys: Monster Erotica, #4

I've been such a bad girl with Frankenstein. I'm addicted to being bred by him. But now his creator, Dr. Francine Stine--brilliant, gorgeous, Francine--wants to join in. I've never had a threesome before. And Dr. Stine is so beautiful that I'm terrified. I'm such a nasty girl addicted to monster breeding...but what I'm about to find out is that Dr. Stine is a dirty, dirty girl, too. (Warning: Explicit Sexual Content.
5000 Words.)