Last night had been maybe the hottest and muggiest of a hot, muggy summer. I could’ve slept indoors, but the air conditioner keeps me awake and makes my sinuses hurt. So instead of tossing in a sweaty bed, I’d slept out on the second-floor deck. It wasn’t much cooler than inside, but at least there was a little natural air moving. That’s how I happened to be around when it started.

My folks had gone back east for a funeral, and Aunt Sally had gone with them. That left me and my sister Traci at home. Us, and Karen, who had been delegated to stay over with us.

Karen is Aunt Sally’s daughter. She is maybe the finest babe around, though my sister would have to come pretty close. They look more like sisters than cousins -- it must be the Shackelford genes -- but they don’t like each other very much.

It started years ago, when Karen cremated some of Traci’s Barbie dolls, and it’s just escalated by degrees since then. They’re always bitching and quarrelling. You wouldn’t think two such primo wenches could ever know how to be as bitchy and as catty as my big sister and my cousin act most of the time.

Anyway, Aunt Sally said Karen had to stay with us while she was back east -- I don’t think she trusted her to be at home alone -- and that really made Traci’s day.

Me, I was kinda happy, because I was hoping I might get at least a quick peek at Karen with her clothes off. She’s dynamite in a bikini, but ever since I started getting hair on my dick, I’ve been trying to find some way to cop a look at her goodies.

I’ve already seen my sister bare-assed, and it’s an eye-catching sight. Like I told you, Traci is a real babe. But Karen would be the hat trick as far as I was concerned.

They’d both gone out the night before, and neither of them had come in while I was awake. Bar-crawling and guy-chasing, no doubt. They’re both not quite twenty-one, but that’s what fake IDs were made for, right? Me, I’m eighteen, and I look a lot younger, so I couldn’t crash a bar even with a shitpot full of fake ID. And girls think I’m a wuss, though I’m not. I want to make that perfectly clear from the start. I just need to work out my technique.

Anyway, I was sacked out on the deck. A bird was chirping not far away, and I opened my eyes slowly. It was earlier than I usually get up, but nature doesn’t operate at my convenience. I sat up, yawning and greeting the new day, and wishing I had a shoe I could throw at that goddamn bird.

My mouth was still open when I heard the sound of my sister’s voice from down below. “Well, you bitch, it’s about time you were coming in!”

I slid off the chaise lounge and onto the floor, as quietly as I could, and I peeked through the slats.

Karen was standing in the backyard. She was a knockout in her black minidress. It was the same one she’d worn last night, when she and Traci went out, but it looked like it had been slept in. Even so, she was a knockout. Take my word for it. She was holding her high-heeled shoes in her hand, and she stood with a devil-may-care slouch, one hip cocked out.

“So what’s it to you?” Karen asked casually, tapping her shoes on one smooth thigh.

“You cunt,” my sister replied. “You went home with Tommy, didn’t you? And you fucked him, too, right?”

“Mmm,” Karen purred, “you’re a lot smarter than you used to be.”

I couldn’t see Traci. She was on the patio, just below the deck on which I was perched. But I could almost feel the rage that was steaming upward from her. Holy shit, I thought, what was going on?

“If you get any redder, you’ll explode,” Karen said. “But maybe that wouldn’t be so bad. What’s the matter, cousin? Were you just itching to get Tommy’s big dick into your hot little pussy? And it just spoiled your day when I got him before you did?”

“Whore,” my sister growled. Jesus, I knew that sound! And Karen had better watch her ass! Traci was nothing to fuck around with when she got pissed. She’d whacked me black and blue a couple of times, and I’m a guy!

But Karen didn’t stop. I could see the smirk on her face, the same one she always gets when she thinks she has everything under her thumb. She’s a primo babe, but to be honest, she can be a real bitch when she wants. And that was exactly what she wanted right now.

“Well,” she went on, “just to satisfy your pathetic curiosity, he wasn’t all that good. Maybe you’d have found it a real thrill, but I was a little bored. Of course, he did tell me that I was the greatest piece he’d ever plugged, so most likely I’ve spoiled him for other women. I doubt that he’d ever be satisfied, now, with anything you could give him...”

Traci shrieked, a sound that chilled my blood, and then she came running out from under the overhang of the deck and threw herself onto Karen.

My eyes bugged out. I’d never seen two girls fighting before, not even at school. And Traci wasn’t kidding as she attacked Karen.

She knocked Karen flat onto her ass, and she was screeching and hissing. No wonder they called it catfighting! There was a feline fury in my pissed-off sister that took my breath away.

Traci wore a robe, but it flopped open, completely exposing her, as she pinned Karen. They were in the grass, just below me, and I could see everything. I’d seen Traci naked before, but it hadn’t been quite as exciting as it was now. With her robe hanging open, she was atop our cousin, holding Karen’s wrists, their bodies rocking violently. Traci hissed and gurgled, gone far beyond words.

“Offa me, you crazy cunt!” squealed Karen, fighting like hell to dislodge the pantheress that was atop her. Her legs kicked up in the air, and I could see all the way up to her panties.

Holy shit! She wasn’t wearing any panties!

Her legs opened wider, and I got an eyeful of a smooth, shaved pussy, set high and ripe between her long, slender thighs. The more she kicked, the more I got to see.

“Get her, Trace,” I prayed in a whisper.

Then Karen brought one of her knees up, jabbing into my sister’s crotch. Traci squealed and rolled over, her robe falling off her shoulders as she went onto her back in the grass. Son of a bitch, when had Trace shaved her pussy? She was as hairless as Karen.

I couldn’t hold back a smile. This quarrel was obviously big shit to the girls, and I was really hoping this fight might go on for a while longer. I had the best seat in the house.

Karen got on top of my sister then, slapping at her -- not very effectively. Guys would have been bloody-nosed and broken-toothed by now, but the girls missed about as many times as they hit each other.

Traci’s tits flopped around. Karen grabbed them suddenly, her fingers pinching hard at the inflated nipples. Traci gurgled and squealed again.

“Oh, shut up, bitch,” Karen giggled. “You always did think that just because you have big tits, the world is yours. Wanna know a secret? Tommy said he liked mine better, ‘cause they didn’t sag as much as yours. And he said he thought you had hairs growing out of your nipples. Do you, cunt?”

Traci shrieked again, like a banshee in heat, and started pounding on Karen’s chest with her fists. Karen panted hard, dominant now, but she didn’t let go. She squeezed harder on Traci’s teats, as if she meant to stretch my sister’s nips a couple of inches long.

Traci kicked and squirmed and wriggled, and I kept glancing at her exposed crotch and the way it was cut in half, very neatly, by that deep pink crease. Sometimes her cunt winked open, and I could see the even pinker interior.

Karen growled. “I oughta bite these fuckers off,” she threatened, leaning down toward a nipple, her teeth clicking ominously. Traci writhed, and as she did, her fingers locked into the top of Karen’s black minidress. She pulled, hard, and the front of the dress tore. Karen’s tits popped out.

“You slut,” my cousin said, “you tore my best goddamn dress!”

It fell down to her waist, but she didn’t stop. Turning slightly, and giving me an even better view of her boobs, she made a quick grab for Traci’s crotch. I shivered as I saw her take hold of my sister’s smooth-shaven pussy. Her fingers dug into the soft-looking flesh, and Traci squealed shrilly.

I’m still amazed that none of the neighbors had come out to investigate the sounds, but the nearest occupied house in this subdivision is almost a block away, so I guess I was just lucky. Of course, we did have a big redwood fence enclosing the whole back yard, and I’m the first to say, thank God for privacy!

Karen mauled Traci’s cunt, squeezing it. “Oh, yeah, you like that, don’t you, whore?” she said hoarsely. “Bet you played with this thing all night, wishing it was Tommy’s dick inside you, rather than my finger. Right, bitch? Is that what you did?”

“Fuck you,” Traci husked. She made a slapping thrust at Karen’s tits, but my cousin evaded her attack. Karen was still holding one of Traci’s nips, and she gave it a threatening squeeze, which caused Traci to whine again.

I saw Karen’s eyes light up, but what she did was a real shock to me, as it was the last thing in the world I ever expected to see. She stuck her middle finger into the mouth of my sister’s pussy, and gave it a corkscrewing shove that took her deep into Traci’s hole.

“Oh, yeah,” Karen panted, “you’re all wet inside, I bet you’ve been jacking off all fucking night...”

The words “jacking off” sent a shiver up my spine. I’d been so engrossed in the watching that I didn’t realize until that very moment that my dick was hard as Chinese grammar and already sticking out the fly of my shorts. The knob tapped the deck of the patio, and I fought hard to stifle a groan.

What the hell was wrong with me? This was better than any porn video I’d ever sneaked into the VCR while my folks were out, and I wasn’t even taking advantage of the once-in-a-lifetime experience!

I grabbed my penis and started to jerk on it -- not very fast, because I could feel the cum boiling in my balls, and I was afraid I’d squirt off too soon. Not just my dick, but all of me, was hot and throbbing right then.

Karen worked her finger in and out. Traci was still squealing, but there was a difference in the sound. It was more rhythmic, breathier actually, with a very erotic tonality. I fisted my cock in tempo with that rhythm, my eyes following the slick progress of Karen’s middle finger reaming Traci’s twat.

“Oh, you bitch,” Traci gasped, “don’t do that! You queer cunt!”