Ty gasped with pleasure, barely able to say anything as she came down from the high. In response, her lover set about teasing her for allowing him to sexually conquer her. "You know how pretty you look after getting castrated, emasculated and feminized, right?" he purred, and Ty nodded. "Good," he replied. "'cause you're gonna feel even more that way once my seed makes you pregnant."
She blushed as she saw a mental image of the process occurring inside her. Her lover's semen was seeping into her womb, and in each drop were innumerable sperm. They forged a path upwards inside her, until they reached what they instinctually sought- and what instinctually drew them in.
An ovum. Ty felt acutely aware of how he had relinquished the virility of manhood and she had embraced the fecundity of womanhood- instead of his body aching to make others pregnant, as her lover's did, her body ached to be made pregnant.
Soon her egg was surrounded by energetic seed writhing around it and trying to break inside to fertilize it, and Ty could tell it wouldn't take long for one to manage it. Sure enough, soon a sperm did get inside her ovum and it began moving down into her womb to implant itself.
"You're just about to be made into a mom-to-be," Ty's lover said teasingly, and sure enough soon the fertilized egg he had given his seed to settled into the young woman's womb and impregnated her with her lover's offspring.
Ty stared in shock at the face of the handsome man who had just made love to her, and slowly processed that she would be having his baby.