They spend the night together

On the bed, John stared at his aunt's naked body. He only saw women's body through films and books, but it's enough to let him know that his aunt had an attractive body. Her boobs were bigs, and her hip was what people called "child-bearing hip".

His aunt smiled at him and said with a sexy voice: "Come, and do whatever you want with me."

Of course John couldn't refuse that invitation. He slowly moved towards her until just the tip of his cock brushed her opening. May said: "Look like you're still a shy boy. Let your aunt take care of you."

She suddenly hugged him tightly, and all his cock slid into her pussy. Then she slowly moved, so that John's cock moved in and out.

Knowing what to do, John took the initiative. He began to thrust faster and faster.

May gasped in surprise: "Wow, your thing is still growing." In the beginning, John's cock filled her pussy perfectly, so she didn't think he hasn't had the erection yet. Now his penis touched her cervix and there were still several inches outside!

She moaned as his cock rubbed her insides. This was like a competition between her pussy, which tried to be as small as possible, and his cock, which tried to be as big as possible. She didn't know which one would win, but she knew that she already lost, as she was helpless and couldn't even move a finger to stop her nephew burying deeper and deeper into her flesh.

Suddenly, John felt like he was about to explode. He could already feel his balls starting to tighten in preparation of deploying the army of his little swimmers. May knew that too, as she felt his thick rod of flesh expanded inside her.

"John, please,” She begged, maybe not even May herself understood what she was asking for.

No one knew John hear it or not, but he went too far to stop. He lifted May's hips so his cock can went into her as deep as possible. May's cervix tried to close, but that only increased the pressure inside his cock. With a loud groan, John pumped his semen into her fertile, unprotected womb. The load came so strong and hot that May felt like she's melting from inside. The orgasm slammed to them like a wave, then both of them collapsed on the bed.

They laid still for what could have been minutes or hours, then John suddenly was hit with a realization: "Aunt, I forgot to ask you: How long until your period?"

May giggled: "I don't remember :)"

"Aunt, I'm asking seriously."

"And I can seriously tell you that I'm not on any kind of birth control. I don't have any reason to use them, do I?"

Seeing John's dumbfounded face, she laughed, hugging his head: "Honestly, I don't know you have just impregnated me or not, but I'm willing to carry your blood. Knowing that there is a woman who is pregnant with your child, it may make you consider twice before taking risks. I want you to promise me one thing... return safely."