My Sister Hated Thunderstorms - Cover

My Sister Hated Thunderstorms

Copyright© 2024 by Mustang

Chapter 13

Erotica Sex Story: Chapter 13 - 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  

Donny and Sarah’s relationship had blossomed into one of brother and sister becoming young lovers several days after the last thunderstorm. Now they slept naked in the same bed every night and ended the day by fucking or by her taking his cum down her throat. They found it highly erotic to be fucking as Ellie and Sam would enter their bedroom to say goodnight. They said that sex was healthy, even when committing incest.

“Mom, are we due for another storm soon?” She asked as Donny steadily fucked her.

“You just want another reason for Donny or your dad to fuck you,” she laughed as Donny stroked her tit.

“That’s true, but who do I let fuck me during the thunderstorm? I want to be with Donny and Daddy.”

“That’s easy to solve. Let your dad fuck you first, then go to Donny’s bed and have a second fuck. Then, in the next storm, reverse the order so Donny fucks you first, followed by your father.”

“Thanks mom. I sure am glad we’re moving to Florida with lots of thunderstorms.” She smiled, placing her heels on Donny’s hips.


The remoteness of the farm offered the young lovers unexpected privacy. Sarah now only wears button-up dresses for Donny and Sam. Going for long walks hand in hand, she’d leave her dress open to show her brother or dad her naked body. She also enjoyed taking his cock out of his pants and using her hand or mouth to make it hard for him to let it show for her. Donny commented in a joking way how difficult it was to walk with a hard cock.

Donny and Sarah were in the last few steps of their forty-five minute walk back from Sally’s home. They recognized Mrs. Webber’s horse and carriage in front of their house, and she fastened the minimum number of buttons, partially covering her firm breasts and long, slender legs. Donny put his semi-hard back in his pants.

Sam tapped Ellie on the shoulder, placing his finger on his lips to signal for her to be quiet, and pointed his finger. She lifted her head slightly to see Sarah and Donny approaching. She smiled and nodded at his intentions.

“What the heck is Buck doing?” Sarah asked him. “I can see Mom and Dad naked, but where is Mrs. Webber?”

“Buck is fucking her!” Chuckled Donny. “Look at his humping motions!” They noticed their parents giving them the quiet signal and crept up closer.

“Does our whore enjoy her first dog fuck?” Ellie asked.

“I sure do! Not only is Sam a better fuck than my husband, but so is Buck!” She laughed. Kathy held on tight, continuing to be taken by her four-legged stud.

Kathy’s back suddenly arched in reaction. “Uhhh, uhhh, uhhh, uhhh! Oh fuck, he made me cum again!” She laughed lightly at the erotic sensation.

Buck noticed Sarah and Donny and barked several times to extend his welcome to them. Kathy looked past his shoulders and shrieked at the sudden appearance of their son and daughter.

“Shit, why didn’t you tell me they were walking towards us?”

“You were having too much fun cumming!” Ellie joked.

“I’m so embarrassed they’re watching me,” she said, trying to hide behind Bucks’ body as he finished his humping.

“Hi, Mrs. Webber, I didn’t know you were as good a dog lover as Mom!” Donny joked.

“Donny...” Ellie cautioned. “Can’t you see that Kathy is embarrassed that you’re seeing Buck fuck her?”

“I should have said, you seem to be enjoying Buck fucking you as much as Mom does.”

“Yes, I am enjoying myself. Please don’t tell Sally.”

“I won’t.”

“I think it looks so disgusting, yet so fucking exciting!” Sarah smiled.

“We just came from your home. Donny fucked Sally really good!” Sarah teased.

“Sarah!” He cried.

“She was crying, hating that we’re moving away from her.”

“Bernie wasn’t home, was he?” Kathy feared for Sally’s safety.

“No, she said he was in the back pastures.”


“Come closer, kids,” Ellie motioned. “See Kathy’s pussy and how good it looks being fucked by Buck?”

They knelt to get a better look at the red, rubbery cock that was moving in and out of her pussy. Her dark hair was matted by moisture. Donny put his hand on Sarah’s leg, moving it closer to her thigh.

“Tell me, Donny, do Sally’s tits look the same as Kathy’s?” Ellie asked, feeling her right breast.

“Sally’s are just a little smaller but still very nice.”

“And very similar-looking bodies, thin and slender like mine and Sarah’s?”

“Yes.”

“Kathy won’t mind if you want to feel her tits,” Ellie offered.

Donny was quick to feel her left one as Sarah felt her right. She looked at his crotch and a hint of bare pussy under Sarah’s mostly unbuttoned dress.

“Sally has taken quite a shine to you, Donny. I think she loves you,” Kathy said, looking at the teen’s hands and feeling her tits.

“Taken a shine; I haven’t heard that phrase for a long time,” Ellie mentioned. “That means Sally is horny for Donny’s cock.”

Buck grew restless and turned around, dog-locking with Kathy.

Ellie unfastened the remaining buttons on Sarah’s dress and swept the material aside. “Doesn’t Sarah have a lovely-looking pussy?” She motioned her legs apart, and the sunshine highlighted her. “We like to keep our pussy hair short for looks.”

Kathy watched as Ellie smoothed her fingers up and down Sarah’s slit.

“Since you let Sarah feel your tits, it’s only fair that she lets you feel her tits and pussy,” Ellie explained.

She moved closer to Kathy, smiling and opening her pose for her. Sarah grins shyly as she guides Kathy’s hand to her bush. Her tips rubbed up and down her slit, then Sarah pressed them to enter her.

“Now feel her young, firm tits,” Ellie desired. Sarah straightened up, pushing her chest out for her. Kathy took Sarah’s hand in hers and felt her left and then right tit.

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