Your granddaughter takes your cock in her mouth

Emma Jr. looks at her mother sucking on her twin brother's erection and gets down so she can please you the same way. As she opens her mouth wide and takes your cock into her mouth she keeps one eye on her mother - who she knows is a true cocksucking pro. Her mother has had years and years of practice on your giant cock, after all.

When she first learned about blow jobs and then how her mother sucked off her grandfather all the time she had no idea penises could be so big. She thought that cocks must be like fingers or something. How could something as large as your cock stay out of sight in a man's pants? Even knowing that they get bigger... it didn't seem possible. But then she watched some of the families home videos. She saw with her own eyes a video of her mom sucking your cock (which she then watched 100 times to study it). She watched videos of her dad's sharing her mom - one dad in her mom's mouth and another in her mom's pussy. Sometimes one dad was in her mom's butt and the other in her pussy.

Emma told her daughter that she and her brother were conceived when both daddies were inside her vagina at the same time. It wasn't until she watched a video of this situation - filmed by an impressed Aunt Sophia that Emma realized just how stretched her mom had to be to fit them both inside her.

Since learning about how big you are, Emma Jr., has practiced regularly on cucumbers. But as your large cock enters her mouth she finds that it's much more enjoyable filling her mouth with warm, soft human flesh - her grandfather's no less - than a cold, hard cucumber. Still the cucumbers helped her to learn to open her jaw wide and to suppress her gag reflex - so her blow job skills are immediately obvious to be more than novice level.

You run your hands on your granddaughter's cock as she follows her mother's lead and forces her face onto the hard cock in front of her. She's such a cute girl and you can't wait to teach her everything there is to know about sex in the years to come. She looks up at you with her big eyes, which are watering slightly from taking you down her throat. She looks **** and happy.

"Mommy ... mommy ... mommy..." you hear from your grandson. Then her lets out a deep moan as his cum reluctantly spurts out from his virgin cock into his mother's mouth. Your granddaughter's attention is set solely on her brother as she sees a drip of his seed seep out of their mother's mouth.

"You can kiss your mother," you tell Emma Jr.. Her eyes thank you as they bulge in excitement. Emma Jr. gets up quickly and presses her mouth against her mother's - forcing her mother's mouth open. Emma Jr. savors the taste of her brother's cum on their mother's mouth. It's as delicious as she'd been hoping for so long.

Suddenly Emma Jr. pulls away from her mother's lips.

"Fuck me now, grandpa," your granddaughter breathlessly says to you.