Tom agrees.

"Okay," Tom said, undoing his belt. She was right - his wife was a frigid bitch. He might as well get a little fun with the part timer. He opened his pants and pulled his hard cock. "On your knees. Suck it."

Carrie's expression became one of pure glee. She fell to her knees and began kissing his cock from the base until she reached the tip, which she began sucking on it like she was nursing. She licked down the sides and began stroking him with the head of it in her mouth. It came out of her mouth with a pop as she looked up at Tom.

"Help me make you feel good, Sir," she said, her almond shaped eyes looking longing into his own before she returned to sucking on him. Tom groaned as how good this felt, even if she was inexperienced. He was loving the attention.

"Swirl your tongue around the head," he said, and she obliged. He felt her soft, perfect teenage tongue on the ridge of his cockhead and he moaned loudly. There was no one here to interrupt them. He placed a hand on the back of her head and pushed her down his length a little. After a few inches, he hit the back of her throat and she coughed.

"I can't go that deep yet, Sir!" she said. "But I'll practice more so I can soon," she teased before returning to sucking on him, fucking her mouth with the first four inches of his length as she stroked the rest of it with her hands. She let a hand drift lower and she rolled his balls in her hand, just like the woman in the video she had watched on her break had. She had felt so dirty, masturbating in the backroom on her break, but thinking of Tom's thick cock in her mouth made it better. Now that she had it, she felt a familiar tingle in her mound. As his length ran over her tongue, she soon felt a warmth grow within her until eventually it crashed over her. She came with her boss's erect penis in her mouth - the exact kind of filthy scenario she had read in every smutty book she had on her phone. Soon it subsided and she began to fervently stroke him into her mouth.

"Cum for me Sir! Cum in my slutty little mouth!" she begged. That was enough to shove Tom over the edge into his own orgasm, and it pumped out a large rope across her face before the rest flowed into her waiting mouth.

"Oh!" she exclaimed. "It tastes like the new thickening syrup!" she moaned after she swallowed it. She used a finger to move the glob of man batter from her face into her mouth, then licked her finger clean. "Its exactly the same!" She made a face at Tom.

"Sir, have you been putting you juice into the blendy thickener?" she asked. "That's naughty! I like the idea though!" She got up and put Tom's hands on her breasts. "One grope. In case you don't want more. But I know I do." She then fixed her blouse and left the coffee shop to return home.

Tom sat there dumbfounded. _The thickener? _he thought. He suddenly realized - some of his semen must have gotten on the bottle when he made Ashleigh's special mocha yesterday. Which meant that Carrie had gotten some too. And now she had a whole load of it inside of her.

Had his cum changed them both? But if that were the case, why now, and not the other two dozen cumshakes he had given Ashleigh? Why did a small amount change Carrie so quickly?

He wasn't sure, but he had an idea.