Not only was she shocked at the sudden mention of the activity she had only heard about a few times, she was also suprised her son knew about such a thing and suggested doing it with his mother. She was already fearing that her son would ask her to do the final step and was thinking of ways to divert his attention from that, but to think that her son would go even beyond that and suggest something so vulgar and embarrassing.
She thought her son was quite innocent from the way he didn't even know how to hug her properly, but it seems like he knew so much more then she did and had more experience in this field, which made her wonder how he knew all of this when he was so docile before and why he acted like he didn't know how to hug her before.
Before she could come to a conclusion to her thoughts, her son seemed to have found a way to find if his daughter's ass was the same as his wife's.
"But other then the distinct sound your mother's cheeks let out when they collide onto one another, your mother has another unique aspect that sets her apart from any other women I've been with." He mentioned the other partners he's been with, which made her wonder if he was saying that because of his role or if he had a secret girlfriend or two that she didn't know about.
"The thing is your mother has quite the pudgy bottom like yours, that always makes it really hard for me to find her back entrance when we want to do it behind since there's way too much fat that gets in the way, which I have to push out to find her secret passage way." He talked about his wife's asshole like it was a secret cave that was hard to get to which made her eyes ripple, imagining where he was going with this. "In fact it was so hard to do it from behind for the first couple of times, that I was exhausted from trying to spread your mother's buttcheeks before I even started."
"What?! There's no way my ass is that fat!" She exclaimed, when her described her ass as if it were made of blubber. "I'd rather have daddy not compare me to mommy, if that's the way you see my behind!"
"That's exactly what I want to find out if it's true." He said with a devious grin on his face, while his hands started to sneak in between her flesh. "If I can find your secret place without much effort, then you still have some days before you can reach your mother's level. But if I do take some time to dig it out, then let's just agree that you rememble your mother more then me."
She wanted to refute his statement and deny access into her area that usually doesn't see the light of day. But her son didn't even ask for permission from her, as if he already had rights to every inch of her body since she was his daughter and he started to go on a quest between his daughter's buttcheeks to find the never before seen treasure.
"No Daddy! You can't put your hands in there!" She exclaimed when she felt her son clutch the insides of her cheeks and push it out of the way, like he was trying to dig through soil with his bare hands.
"Calm down, Abi. Daddy's just going to do a little baggage search." He had to use his fingers to claw into her skin, as every time he would go deeper his hand would slip because of how smooth her skin was and her cheeks would close in on itself. "If you move too much, it's only going to make it more harder for me and increase the amount of time my hands stay in your butt...I personally wouldn't mind your bum warming my hands for a while, but I can't really say the same for you, so I think it's better if you stay still and let daddy do his job."
"Fine! But make it quick or else I'll scream out and wake mommy up!" She threatened him with her imaginary mother, so that she didn't have to go through this humiliating treatment with her son. But this threat had no effect on him, as he said
"That's perfect...I'll slip one hand into your mother's pants and slip the other one into your, and I'll be able to do a side by side comparison that would give me the optimal result."
She couldn't compete with her son in terms of shameless and could only accept his roaming fingers, that were trying to pry through her abundant flesh.
Squelch~ Squelch~
He used both his hands to cup each cheek and pulled them apart, which made her feel a cool sensation in the area where she was exposed, as that place was never really opened up and was always blanketed by layers of meat. But as much as he tried to hold the weight of the mounds of fat and go into deeper, her cheeks would always clamp down and try to deny him entry. This only made it even more tough for him to explore the wonderland and actually made him put in some actual effort to pry open the walls of meat.
She thought that he was quite strong with the way he casually lifted her up, but seeing how he was was struggling to make his way through to her entrance made her feel proud of her self, even though she was still embarrassed at the same time. But no matter how tough and secure her bum was, they weren't as strong as her son's sturdy fingers, as she could slowly feel her son's fingers claw through her butt which felt like spiders creeping into her deepest place.
Slowly but surely he was reaching his destination, by spreading out his fingers to let his other hand go through and then used that hand to hold up the walls that were collapsing on itself to let the other hand through. No matter how much she tried to clench her buttcheeks, he held his own against the layers of fat that were trying to stop his pursuit to learn the truth and she herself was literally gasping for her from having to exert her glute muscles.
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It seems like some of you misunderstood and think that there won't be lemons by the end of this mini-arc. I can confirm there will be lemons at the end of this scene, but it's just not going to go the way you think it is.