Sex Lessons From Grandpa

by SamSlam

Caution: This Erotica Sex Story contains strong sexual content, including Ma/ft, ft/ft, Consensual, Reluctant, Incest, Grand Parent, Black Female, White Male, Hispanic Female, Safe Sex, Oral Sex, Voyeurism, .

Desc: Erotica Sex Story: Teenager begs her grandpa to help her friend learn about sex. At first reluctant, he gives in and includes a second friend and eventually his granddaughter, too.

Oh God, this is so wrong. I shouldn't be watching this video. Three giggling teenage girls are flouncing around my bedroom, swapping swimsuit tops, comparing breast sizes and unknowingly putting on an erotic show as my hard cock strains against my shorts. I rationalize that my voyeurism isn't perverted because I'm not looking directly at Samantha, my granddaughter. I'm keeping my eyes focused on her two friends, Jenna and Angela. Anyone would look at these beautiful half-naked teens. It doesn't mean I'm perverted.

Jenna is not part of the breast size competition presumably because she would win it hands down. With thick, protruding nipples and wide areolas her tits are more adult-size than the teen-sized tits of her friends. Her gorgeous almond-shaped eyes, complements of her Asian mother, are as exotic as her mocha colored skin and voluptuous figure which I'm certain come from her African-American heritage on her father's side. She is laughing as her friends compare their much smaller breasts to see whose are larger.

Appointing Jenna the judge, they trade swimsuit tops to help her evaluate. Hell, I'd be the judge if my eyes weren't locked on Jenna's bouncing breasts while she dances around the room swinging her bikini top over her head and playfully making fun of her friends.

"You call those breasts?" she laughs. "These are breasts!" she boasts as she cups her brown tits and shakes them at her friends.

"Yeah, you're lucky you can stand up straight," Samantha quips as she pulls her top loose and hands it to Angela. A quick glimpse of my granddaughter's lightly freckled breasts sends unexpected pleasure signals to my already hardened cock. Her quarter-sized areolas are tipped with short, pointy nipples and her deep brown tan lines beautifully accent her perfectly shaped white domes. She's not going to win any size contests but she has impeccable breasts with erotic tan lines.

I tear my eyes away to check out Angela's tits before she tucks them into Sam's bikini top. Angela is a light-skinned Latina beauty with long black hair and it looks to me like she'll win the size competition against Samantha. Because of her olive complexion, her tan lines aren't as pronounced and it might be that her tits just look larger because of the way her wide areolas blend into her big puffy rose-colored nipples.

The girls are having trouble determining who's tits are larger and I watch them swap tops a couple of times before Jenna finally uses her phone to take pictures and compare them side by side. The whole time, Jenna is bouncing around the room topless, diverting my attention away from the other two girls.

My cock is throbbing but I don't want to get caught jacking off to explicit video of my granddaughter and her friends. I check my watch but I'm not even sure how long the girls have been gone. Seems like about an hour. Maybe I could risk a quick yank. Standing up, I glance out the window as I start unbuttoning my shorts. Damn! The subjects of my erotic video are already walking up from the beach. This will have to wait until later.

You may not believe it but this all started rather innocently. Samantha asked if she and her friends could stay with us during beach week. My wife and I retired to our beach house a couple of years ago and have been the destination vacation for our kids and grandkids ever since. We love having family around and I certainly didn't mind that Samantha and her friends wanted to spend the week after graduation parading around our house in skimpy bikinis. Although all three girls are eighteen, we checked in with their parents and assured them we would be responsible chaperones. It was true at the time we said it.

A couple of days after they arrived, my wife received a call from her brother-in-law saying her sister was very sick and had been admitted to the hospital. She caught the next plane to Oregon, leaving me with three beautiful teenagers in the house. I admit that I love seeing their nubile bodies displayed in an ever-changing array of swimwear but I swear that spying or making videos was the farthest thing from my mind.

After breakfast, the morning after her grandma left, Sam asked if they could use our bedroom to change for the beach. This was not an unusual request. Our room was the largest bedroom and would be less cramped with three people in it.

"Sure, just let me grab my MacBook," I said, heading into the bedroom as the girls cleared the table. The spacious room was set up with a bed, dresser and nightstands on one side and a desk, filing cabinet and desk chair on the other. I grabbed my computer and came back into the kitchen to find the girls laughing and blushing as they finished washing the breakfast plates and glasses.

"I'll be the judge!" Jenna laughed as they grabbed their swimsuits from the other bedrooms and raced each other into my bedroom.

I smiled at their youthful energy as I flipped the MacBook open. It was already on and I noticed the webcam app flashing in the upper corner. Clicking on it as I took a sip of my coffee, I almost choked when the screen filled with images of my granddaughter and her friends laughing as they stripped off their clothes. Fuck! I'd forgotten about the webcam.

I bought an external webcam last year when my wife and I got tired of trying to crowd in front of the laptop while Face-timing with our grandkids. We must have left the webcam on after talking with our daughter yesterday morning about my wife's travel plans.

I knew what I was doing was immoral and maybe even illegal but I rationalized that it was an accident. I hadn't planned to do this. I knew the right thing to do. With one click I could cut the webcam's Bluetooth connection and no one would be the wiser. Spying on my granddaughter and her friends was absolutely wrong on so many levels but I figured one quick peek wouldn't hurt and then I'll click to disconnect. As I watched them pull their sleep tops over their heads; their young, hard bodies and their innocent beauty were mesmerizing.

I adjusted my shorts around my stiffening cock as these three panty-clad teenagers compared their naked breasts in the mirror over my dresser. My eyes darted from one girl to the next, trying to take in everything at once. I've always loved looking at photos and videos of teenage tits but these girls were right in the next room. It was such a fucking turn on that my quick peek lasted much longer than I intended.

Sam was the first one to strip off her panties and it seemed so perverted to wish that my own granddaughter would turn towards me so I could see her pussy. She has a beautiful apple-cheeked ass, lightly frosted with her ever-present freckles that are more prevalent between the tan lines.

Jenna and Angela followed suit, revealing firm young asses that were every bit as enticing as Samantha's. I stared wide-eyed at Jenna's large breasts, hanging deliciously from her chest as she bent over to remove her panties. Her nipples jutted out nearly a half of an inch and I doubt they were even aroused. I was so absorbed in Jenna's mammary display that I almost missed seeing Sam's pussy as she turned momentarily towards the camera and then back to the mirror.

Fuck! I only saw it for a few seconds but my cock responded instantly. Her tan lines frame a small patch of neatly trimmed blonde pubic hair. The triangular shape makes it look like a little arrow pointing down towards her hidden treasure.

I knew I was taking more than the peek and I should have clicked to disconnect the webcam by now. I was honestly just going to do it but then Angela turned and started walking towards my desk, directly into the camera. The webcam is on a shelf over the desk and takes in most of the room. I studied this naked teenager, taking in all of her attributes at once, from her perfectly round, puffy nipples to her thick black pubic hair. She was laughing at something Sam said as she reached out towards my desk.

"I can see why your grandma married your granddad," she said, holding up a copy of our wedding photo that I keep on my desk. "He was a damn good looking guy."

"Still is if you ask me," Jenna came up behind Angela and looked over her friend's shoulder at the picture. Angela handed it to her as she turned away. My cock sprang to attention as I got my first look at Jenna's fur-lined pussy. She was standing perfectly still, almost filling my screen with her large tits and exotic looking pussy. I was devouring her body with my eyes. Her thick nipples were pointing right at me but I could barely look away from her spongy black pubic hair. I was rubbing my hard cock through my shorts.

These girls were putting on the most erotic show I had ever seen and they were hardly doing anything. I knew if I didn't click soon I'd regret it later. My hand was shaking as I finally grabbed the mouse and clicked ... on the record button.

When they finally emerged from my bedroom, I was sitting at the kitchen table innocently checking my email. I was watching the entire video again when I spotted the girls coming up from the beach.

"You guys weren't gone long," I say, looking up from my computer screen. I try to keep from staring but as I look at these three girls in their sexy bikinis all I see are their naked bodies prancing around in my room.

"It's too hot," Sam says as she grabs a bottle of water from the fridge.

"And there weren't any cute guys," Jenna adds with a mischievous smile.

"And the old guys that were there acted like they'd never seen a girl before," Angela chimes in. "I swear there was actual drool running down their chins." She laughs as she takes a sip of Sam's water.

"Well, I can't blame them," I wink. "You three would turn heads wherever you went."

.... There is more of this story ...

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