While Ty and Eileen had finished fucking, the result of their sex was now taking hold within Eileen's womb. Deep inside her, her body's hormones had commanded her to release an egg, and as the thick juicy semen Ty had filled her with seeped into her body, the seed now inside Eileen eagerly tracked its scent, moving deep inside her.
Soon a mass of Ty's sperm surrounded Eileen's egg and wore away at its walls rapidly, neither giving a care about how youthful their bodies were, following their instinctual command to bind. And soon one got inside the egg and fertilised it, guiding it to divide and implant in Eileen's womb, and making her pregnant.
Slowly Ty withdrew from Eileen and saw his warm seed leaking out of her, his shaft covered in a mix of their juices. Holy shit, he thought, I just got Eileen pregnant!
Looking up at her, he saw she had a teasing smile on her face, and a moment later he found out why...