As she cuddled her lover softly, Ty whispered in his ear, "How about I give myself another baby of yours?"
"Wha-?" Eileen replied, his mind still kinda recovering from the last orgasm.
"I mean, how about I wish to have another egg inside me your cum can fertilize?" Ty explained. "Wouldn't you like to have another child with me?"
Eileen considered this for a moment, and found himself agreeing that instinctually he did like the idea of getting to have more offspring. "If you're sure," he smiled.
"As sure as I am of anything," Ty grinned, and she wished for the process to start.
Inside her ovary, an egg was hurriedly gestating and emerged, producing pheromones to urge outside forces to help it conceive. Those pheromones soon seeped into Eileen's semen, and his sperm raced through Ty's womb to try and make the egg their own.
Soon it was surrounded by masses of the man's seed, which wore away at its outer walls until one reached inside and fertilized it. Just as the first zygote had, this fertilized egg proceeded to slide downwards until it reached Ty's womb, and settled in next to the first of her offspring, making her pregnant with two.
Ty had watched all this unfold in her head, and truly felt intimately in touch with her new sex. She turned to see Eileen had a grin on his face, and the DILF was grinning because he had a suggestion...