08-07-2017, 02:37 AM
Sam squirmed as he lied on the bed due to the tingling sensation given by the serum. He felt his cock quickly get hard, but then it started extending beyond it's usual length as his cock started growing. Meanwhile, a group of scientists were watching and documenting Sam's and Roxie's reaction to the serum through the one-way mirror that made up an entire wall of the room.