Cathy
Copyright© 2026 by Friar Dave
Chapter 4
Erotica Sex Story: Chapter 4 - The sexual exploits of Cathy and her friend Reena.
Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa mt/ft Ma/ft Consensual Reluctant Lesbian BiSexual Heterosexual Fiction Cheating Incest Father Daughter Group Sex Orgy Double Penetration Exhibitionism Masturbation Oral Sex Sex Toys Voyeurism
Cathy watched silently through the louvers. The lights in the rec room were on, but low; there was no chance she and Reena would be spotted in the dark utility closet. The stereo was playing a Mariah Carey tape.
“Are you sure your step-sis is upstairs?”
Julie flipped the wrist of her free hand in dismissal. Her other hand was occupied with what was at least her third Seven-&-Seven in the last half hour. “She’s got her girlfriend over, what’s her name — Cathy.”
“Who?” Georgie asked.
“You know, the little Chinese kid, looks about nine years old --”
“Oh, you mean Gizmo,” called Mike from the other side of the room. He was happily doing a bump-and-grind dance against the voluptuous form of a young woman he’d brought. “I know her step-brother from the Chinese Student Activities Club.”
“Yeah, yeah — but are you sure your step-sis isn’t going to bust in on us?” Georgie insisted.
“Want to go up and check for yourself?” Julie demanded. “See her big titties?”
“No,” he replied coolly. “I’d rather suck yours!”
Julie closed her eyes and gave a little shiver. She was the same height as Reena and had a much tighter, more compact body — plenty sexy in her own right, thought Cathy — but she knew her step-sis had a far more voluptuous figure. Julie had a part-time job at a health club and loved showing off the results. Tonight, she was wearing her tight, black leather miniskirt and a white spandex top that zipped up the front.
From their hideout, the two spies could see Julie’s nipples stiffen under the spandex.
Julie took a big slug, emptying her glass, and went to the wet bar to make her fourth. Her hair was bright red and she wore it long and loose, to her shoulders. She really looked hot in the outfit and knew it.
The young man — Reena said he was twenty — looked cocky as hell. He walked up behind Julie and put his arms around her. He whispered something to her, and she began grinding her hard butt into his crotch. The pair seemed oblivious to the other three couples in the rec room. One girl, with blonde hair flounced high, was sitting on the pool table, madly kissing the young man gripped between her thighs. By Cathy’s reckoning, they hadn’t interrupted their single kiss in something like 15 minutes. Two other couples were on the cushions of the banquette. One pair was also hotly making out, and there were some not-very-surreptitious gropings going on.
The other pair sat, hand in hand, watching Julie and George. The girl — a brunette with small, hard tits and a big, hard ass — finally spoke. “C’mon, Julie — you’ve had enough to drink.”
If George or Julie heard her, neither gave a sign.
“Julie!” The girl started to rise. Her boyfriend tried to hold her back by the hand.
“Hey, she can do what she wants — it’s her house.”
“Dammit — Hey, Pam!”
The female half of the other couple on the banquette looked up, puzzled. “What’s the matter, Ginger?”
Ginger — the brunette — jerked her head toward the bar, where Julie had put the glass down on the bar top and drawn George’s hands up to her tits. “Oh, yeah, I can feel how hard you are!” she whimpered. She pushed her head back against his shoulder.
“Shit.” Pam shook her boyfriend. “We’re leaving.”
“But --”
Ginger had already interrupted the couple on the edge of the pool table. The blonde was also trying to get her paramour to leave. All three guys were resisting their girlfriends’ demands.
The three girls stood facing their dates. Ginger spoke: “Alright, you guys! Everyone in this room knows what happens next. We’re not going to stand here and watch Julie drink herself stupid and put on a slut show. We’re leaving. Right?”
The other two girls nodded.
“And either you come with us or you guys end up dating Rosy Palm and her sisters tonight — and maybe for good.”
“C’mere, baby,” George was growling, turning Julie to face him. He pulled the zipper of the spandex top down slowly, all the while kissing the side of Julie’s throat. The stretch material parted, revealing the inner slopes of Julie’s firm, pretty, almost conical tits.
“Yeah, well, listen up,” one of the guys demanded, the one who’d been necking heavily with the blonde on the edge of the pool table. “You don’t give me no orders, none of you. I ain’t telling my friend’s girl what she can and can’t do in her own house, and I ain’t leaving until she asks me or I want to. You got a problem with that?”
The other two guys were nodding.
Ginger scowled, turned, and stalked out. The other two girls hesitated only seconds before following.
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