Deep inside Ty's freshly feminized body, she had managed to ovulate, and an eager ovum lay in wait inside her, instinctually desperate to be fertilized. The eager, forcible mating which Ty and June had just finished was perfect to fulfil its desire.
Even though June's body had been producing sperm for just minutes before he fucked and came inside Ty, they were tireless and virile as any man's, and as his semen seeped into Ty, they swam through her passages, scenting her egg and tracking it down.
Soon Ty's egg was found and surrounded by strong, energetic seed, and they chewed away at its walls, each and every one determined to claim it. Any conscious hesitation about this process, or even the cells' nature, didn't matter anymore- all that mattered was that June's sperm had an egg to fertilize, and Ty's egg had sperm to fertilize it.
At last, the egg was forced to capitulate, and a sperm reached its core, guiding it to implant in Ty's womb and making the girl who had been a boy pregnant.
Ty was hazily aware of this as she sucked on June's cock to clean their juices off it, and once she finished up he pulled her to her feet and kissed her passionately, to which she kissed back, practically losing her mind by now. "I want you to promise me something," he said harshly as he broke off the kiss.
"What?" Ty breathed, surprised how turned on she felt by his abrasiveness.
"You're gonna have my child," June demanded. "I've just gotten you pregnant with my thick seed, and you'll be keeping your hot girl's body until your pregnancy is done. If I could deal with that as a woman, you can deal with that as a woman too."
Ty considered his demand, and...