Test Subject 69

Tiffany wakes up inside a laboratory, stripped and tied down to a surgical table. Taunting her within the lab is the previous experiment, a futanari names Matty. She tells Tiffany in detail what is going to happen to her, relishing in the thought of Tiffany becoming like herself.

Tiffany gets injected with the serum and goes through an intense transformation, turning into a sex-addicted futa like Matty. The duo pleasure one another, satisfying their sexual cravings and expressing their desire to transform even further.