While Ty rested in Erin's firm arms, she felt his thick semen start to drip from her. He had cum that much. Ty felt kinda impressed at how much he had shot inside her, it seemed like a larger load than he'd cum when he used to rub himself off. She wasn't sure if that was because Erin had only now turned into a man and was kinda backed up, or because she had gotten him to a particularly intense high.
Either way, Ty soon saw the result of their highs in her head- countless sperm Erin had shot inside her were surging through the passages her body had formed to link up to her womb and ovaries. Her addled mind felt intensely aroused at the reminder that he had gotten castrated and emasculated, and that he had relinquished the capacity to get others pregnant so she could get pregnant herself.
She saw how her ovaries stirred magically and produced an egg that moved slowly towards the invading cells of her lover. This wasn't a hypothetical or a possibility, Ty was about to get bred. And she ached for it. She desired having this handsome man put his child in her.
Sure enough, she saw his sperm surround her egg and start to eat away at the outside of it. Anticipation ran through her, until at last one of them broke through and surged to the centre of the egg, fertilizing it. It slid on an instinctual path into her womb, and settled into place. Ty had gotten impregnated.
Erin pulled her into another kiss, and...