Grandma's Gift: Mandy Upsizes - Cover

Grandma's Gift: Mandy Upsizes

Copyright© 2021 by IronBuddah

Chapter 3: Mandy Makes Up Her Mind

Erotica Sex Story: Chapter 3: Mandy Makes Up Her Mind - Samantha returns from a mysterious trip with newly enhanced boobs. Aaron is impressed, but things really get interesting when Mandy stuffs her daughter's bra and loves the way she looks and the reaction she gets. If Aaron can't keep his hands off Samantha's chest or keep from jacking off in front of everyone because of her new boobs, what's going to happen when Mandy decides to go even larger than her daughter, much larger?

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Ma/ft   Fa/ft   Reluctant   Teen Siren   Cheating   Slut Wife   Incest   Mother   Daughter   Group Sex   Exhibitionism   First   Masturbation   Oral Sex   Petting   Safe Sex   Voyeurism   Big Breasts   Size  

James got home while Aaron and Samantha were putting food on the table. As they sat down to eat, James asked the question that everyone wanted an answer to, “So Mandy, have you thought more about getting implants.”

“I don’t know; it seems kind of silly after sleeping on it.”

“Oh come on Mom,” Samantha retorted. “We all know you’ll be on the phone with Grandma getting her agreement to pay for it before the end of the week, maybe sooner.”

“You may not believe me young lady, but I haven’t made up my mind yet. I’m really leaning toward not doing it.”

Samantha arched her back, sticking her chest out and grinning as Aaron, James, and even her mother stopped eating to stare at her. “You know you want to be able to do this to Aaron and James. I love having the power to make them stop what they’re doing any time I want and force them to stare at me. You loved it too when you were wearing my bra last night.”

Before Mandy could answer, Aaron gasped, “Samantha, your tits are absolutely amazing. My cock is getting so hard right now!”

“Aaron! Try to be a little bit respectful,” Mandy scolded.

“I can’t help it. I can’t control my cock when I look at those giant jugs of hers. I know I just did this last night, but I hope you’ll tell me I can rub one out in front of you all again.” Without waiting for anyone to answer, Aaron stood up and started rubbing his aching cock through his clothing.

‘Say you’ll call Grandma tonight,” Samantha urged her Mother. “I bet if you do, we’ll all see Aaron create another huge wet spot in his pants!”

Aaron stared at Samantha’s chest. Samantha stared at Aaron’s crotch as he manipulated his cock through his pants. James looked back and forth between Samantha’s chest and his wife’s. Mandy looked between Aaron’s cock and her daughter’s ample rack, then she stared up at the ceiling. Finally she said, “I’ll do it!”

“Oh fuck yes!” Aaron called out. “Feels so good, cumming, cumming!” Milking his cock through his pants, just as Samantha had predicted, he soon had another huge wet spot on his pants to show for his efforts.

Instead of saying anything about Aaron uncontrollably masturbating because of huge fake breasts in front of his hosts, James asked, “Hey Honey, before you call your mom, can we run upstairs?”

With a wicked look on her face, Mandy answered, “Sure!”

As her parents hurried up to their room for another obvious quickie, Samantha whispered in Aaron’s ear, “I love watching your cock cum because you’re either staring at my big boobs, or thinking about the ones Mom’s planning on getting, but it’s even better getting to see it outside of your pants. Do you think you’ve got another in you?”

“Maybe.”

Then they heard James gasp, “Oh yes!” and Mandy sigh contentedly as the sound of creaking of bed springs came from upstairs.

“Ugh! I’m getting hard again hearing them go at it. I don’t know if I’ll cum before they head back downstairs, but hand me a napkin and I’ll get it out for you again, Samantha.”

The teen giggled and complied with Aaron’s request and knelt down next to him as he unzipped his pants. He needed the napkin immediately has his cock was dripping with spunk from his recent orgasm. He wiped the larger globs off, but left some for lubrication of his cock. Once Aaron started stroking his dick, Samantha lifted up her shirt to reveal her bra and deep cleavage. “For extra motivation,” Samantha told Aaron as she looked up at him with bright blue eyes.

Aaron’s cock got even harder, and the veins running along his length bulged, “You know what I like girl! No, not like, love. I love big tits!” Then He and Samantha heard voices from upstairs.

“I can’t wait till you have giant boobs to bounce around as I nail you to the bed!”

“Oh baby, I can almost feel their weight on my chest. Harder! Faster!”

“That is so hot!” Samantha gushed.

Taking up Mandy’s faster call as he jerked his rod for her daughter, Aaron agreed, “Fuck yeah!” When they heard James cum from upstairs, Aaron started cumming himself. He didn’t flood the napkin like he had the tissue the night before, but despite just having jacked off in his pants, his orgasm went on and on. Aaron was still cumming when they heard James say something about squeezing in a fantastic little quickie. Samantha dipped her finger into the pool of spunk on the napkin and touched it too her tongue.

“And that is so cool!” Samantha added staring at Aaron’s spent spunk. “And it has such a good flavor.”

Aaron had plenty of time to get decent before Mandy and James returned downstairs. Mandy got on the phone with her mother after everyone finished eating without further sexual escapades. So while Aaron and Samantha knew exactly what James and Mandy had done, neither of Samantha’s parents were any wiser that the teen had seen Aaron jack off his naked cock a second time while they were upstairs fucking.

“Hi Mom. I’ve got some news that I think is going to surprise you, but I also think you’re going to like it. Well, I think I want to get implants too. What changed my mind? Honestly, it was our friend Aaron and how he reacts to Samantha’s boobs now. He literally can’t take his eyes off her chest. Yes, she’s given him the full topless view of her surgery results. She was practically begging me to let her take her shirt and bra off for him so she could show off her new body.” Aaron had a glazed look in his eyes as he stared at Samantha’s rack while this conversation took place.

“Well, I think that’s going to surprise you too. I’ll give you a hint, it’s way bigger than 250. Yeah, I knew you would have said 300 next if I hadn’t given you that clue. It’s bigger than that too. I was wearing Samantha’s bra, and she fixed me up with rice sizers, and I was totally comfortable with the 600cc sizers. No, the weight didn’t bother me at all! I was really surprised. And I totally loved the way neither Aaron nor James could take their eyes off of me.” Then Mandy laughed, “Of course I’m telling you this because I’m hoping you’ll pay. You’re not mad? Oh, you’ll only be mad if I get cold feet and back out. I don’t think that’s going to happen. I think seeing how my daughter has adapted so naturally to getting a pair of bolt ons has infected me with big boob fever. Well, I’m glad you’re happy to pay for this. I’ll call you again tomorrow so we can get in contact with that surgeon you use.”

After hanging up the phone with her mother, Mandy asked, “So who wants to help me take some before pictures?” Three hands shot up into the air.

Samantha added, “If you’re going to get topless, can I take my shirt and bra off too?”

“No way! If you take your top off, James and Aaron won’t pay any attention to me, and I’ll be stuck taking lame ass topless selfies. I’m the only chick in this family getting her tits out tonight.”

“Ah man!”

“Don’t complain,” James corrected Samantha. “I’m pretty sure you just want to get them out again because you heard your Mom telling the story of how you begged to show Aaron your jugs. Besides, you know that it’s completely fair for your mom to be the center of attention tonight.”

Mandy took off her shirt revealing a plain bra and said, “Get a few pictures of me in this before I take it off.”

Samantha took her mother’s phone and got a head on, three quarters and profile view. Then she said, “OK Mom, lose the bra. That’s enough of that shit.” Then she repeated those poses topless.

Aaron picked up Mandy’s discarded bra and observed, “32A, you’re going to need much bigger bras if you go through with 600ccs.”

Blushing, she responded, “I know. I still don’t really believe how much thinking about that excites me.”

Pointing to another hard on in his pants, “I don’t know, the excitement seems pretty believable to me.”

James pointed to a similar bulge in his pants, and Mandy exclaimed, “Damn, didn’t both of you just cum?” Aaron and Samantha exchanged a significant glance since Mandy didn’t know about the extra orgasm Aaron had experienced that night.

“Hey, my hot wife is topless, and Samantha would have to be in a burlap sack not to be something to stare at.” James moved over and put his arm around Mandy.

“Don’t move you two,” Samantha instructed as she snapped another picture. “Now kiss each other.” Samantha captured a picture of a standard kiss on the lips and a second, more risque pose where James was sucking on one of Mandy’s nipples.

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