My Sister Hated Thunderstorms - Cover

My Sister Hated Thunderstorms

Copyright© 2024 by Mustang

Chapter 6

Erotica Sex Story: Chapter 6 - During the later 1930's depression era in Kansas, young Sarah Fletcher discovers a unique way to overcome her fear of thunderstorms. A bleak future forces her family to make a new start in life.

Caution: This Erotica Sex Story contains strong sexual content, including Mult   Teenagers   Consensual   Romantic   BiSexual   Fiction   Farming   Cheating   Sharing   Incest   Bestiality   Cream Pie   Exhibitionism   First   Oral Sex   Voyeurism  

Sarah smiled at her mom as they prepared the sandwiches and snacks. Ellie’s dress was open so low that the right strap wouldn’t stay on her shoulder. It folded over and down to reveal her breast and nipple, holding it in place.

Donny gathered the blanket, pillows, and several towels. He stood by the kitchen door, watching his mom and sister talk and laugh as they prepared their picnic basket. He rubbed his crotch, uneasy from his cock hardening and shrinking several times. He wondered if he’d get to do it with his mom.


Everything was ready for the picnic, and Sarah returned with their swimming suits. Ellie took them from her, setting them aside. “There shouldn’t be anyone around the pond to watch us. Let’s leave the suits at home.”

“You’re going to let us swim naked?” Sarah couldn’t believe it.

“I changed your bottoms when you were babies, so it’s not like I haven’t seen you naked before. Plus, you’ve seen me with next to no clothes on, so what’s the mystery?”

“Mom, I’m not a little baby anymore,” Donny reasoned.

“What’s the matter, Donny? Are you afraid that when you see Mom and me naked, your little donger won’t stay so little?” Sarah teased.

“It does get big, and you may decide that you want to do something with it,” he mildly hinted.

“We’ll see what happens, won’t we, Mommy?”


Ellie was centred between her children as they held hands and walked towards the pond. Buck ran alongside, with the occasional bark for Donny to throw his favourite stick to fetch.

Ellie smiled shyly as her son eyed her revealing cleavage and slender legs. Sarah would switch, so Donny was holding their hands, and his eyes viewed the young breasts he sucked the night before and those he hoped to today.


They arrived at the pond, which they used as a quiet getaway from reality. It was about 150 feet wide and eight feet deep in the middle. A portion of the shoreline was shaded by an old elm tree that had survived countless summer tornadoes and bone-chilling winter blizzards.

“The pond is getting smaller all the time,” Donny observed of the shrinking shoreline.

“The underground spring must be drying up. Soon it’ll be nothing more than a mud hole,” Ellie commented, helping Sarah spread the blanket under the shade of the tree. Both leaning over, Donny eyed two pairs of breasts, seeking the daylight.

They relaxed and talked about their future in Florida. Ellie knew her pose was enticing Donny. Her dress strap never stayed in place, and the thin material finally revealed her semi-hard right nipple.

Buck soon grew tired of retrieving the stick for Donny and turned his attention to the scent between Ellie’s legs. She boldly pulled up the hem of her dress and spread her legs to allow him total freedom to lick her. Sarah’s eyes widened at the sight, and she wondered if her mom would let her enjoy the same experience.

Donny could feel his cock twitching and was testing his mom’s willingness by unbuttoning the remaining buttons on her dress. She smiled at him as she slipped the straps from her round shoulders and was now completely naked.

“Donny, would you be a good brother and undo my dress for me?” Sarah’s question was not so innocent. Ellie watched as Donny moved toward her and slid the straps off her thin shoulders. “This is the first time that Donny is seeing me naked on purpose,” she lied.

His fingers grasped the soft material, gently pulling, revealing her firm breasts. She went to her knees, letting it fall past her waist. He and Ellie looked at the tiny wisps of hair that announced her maturing into a young woman. She alternated from knee to knee and was now naked.

“Donny, don’t you make any rude remarks about seeing us naked. Insults and boorish remarks will get you nowhere with a woman.”

“Mommy, I think we should make Donny naked too,” Sarah suggested, moving closer to him.

“I certainly agree, and we’ll use him to teach you how to have sex with a boy.” They looked wide-eyed at her and smiled, knowing they’d be allowed to have sex together.

“But, Mommy, I’m still a virgin,” she lied again.

“You will no longer be a virgin once we go home.”

“Donny is going to be my first boy to have sex with?” She couldn’t believe her good fortune. “Yes, I freely give my virginity to my brother, and it will be one of the best experiences of my young life.”

“Now, Donny, I require you to be respectful of your sister as she becomes one with you.”

“Yes, Mom,” he smiled, looking at her and then at his sister.


Ellie moved to kneel beside Donny and Sarah on his left. His shirt was undone, followed by his trousers. Pulled down past his waist, his semi-hard cock created a bulge in his underwear. Ellie pulled them down, releasing his cock to the sunlight and their curious eyes.

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