A few weeks had gone by since that insane afternoon by the pool when Amy walked in on me balls-deep in Elise and decided to join the fun. Things had been electric around the house ever since — stolen touches in the kitchen, quick make-out sessions when our parents weren’t looking, the three of us sneaking quickies whenever we could. But this morning felt different. Mom and Dad had just pulled out of the driveway for their early shift, the garage door rumbling shut behind them. The house was finally, completely empty except for me and Amy.

I was still half-asleep in my bed, sheets kicked down around my waist, morning wood tenting my boxers like usual. The door creaked open real slow. I cracked one eye open and there she was — my hot little step-sister Amy, completely naked, that wicked grin on her face. Her black hair with those sexy highlights was messy from sleep, falling over her shoulders. Those perky C-cup tits bounced gently as she tiptoed across the room, thick thighs rubbing together, juicy ass jiggling with every step. Her pussy was already glistening, smooth and puffy, like she’d been thinking about this the second our parents left.

Without saying a word she lifted the covers and slid right in next to me, her warm, soft body pressing against mine. Her hand went straight down and wrapped around my cock through my boxers, giving it a slow squeeze.

“Morning, big brother, ” she whispered, voice all husky and naughty. “They’re gone. Finally got you all to myself.”

I groaned, rolling toward her and kissing her hard. Her tongue was eager, sliding into my mouth as she shoved my boxers down. My thick cock sprang free and she immediately started stroking it, thumb swirling over the head where a bead of precum was already leaking.

“Fuck, Amy... you’re soaked already, ” I muttered, sliding my hand between her thighs. Her pussy was dripping — hot, slick folds parting easy around my fingers. I rubbed her clit in slow circles and she moaned into my mouth, hips bucking.

She didn’t waste time. Amy pushed me onto my back and climbed on top, straddling my face reverse so her juicy ass was right in my face. She lowered that wet pussy onto my mouth while she bent forward and sucked my cock straight down her throat in one smooth motion. The wet gluck-gluck-gluck sounds she made were filthy as she bobbed, drool running down my shaft and balls. I licked her like a man starving — tongue flicking her clit, sucking her lips, pushing inside her tight hole. She tasted sweet and horny, grinding on my face so her juices smeared all over my chin.

After a couple minutes she was shaking, but she wanted more. Amy spun around, straddled my hips, and sank down on my cock in one long, slow drop. Her pussy was so fucking tight and wet that it made this loud, sloppy squelch the second I bottomed out.

“Ohhh fuuuck, ” she gasped, eyes rolling back.

She started riding me hard, that thick ass bouncing, tits jiggling. Every time she slammed down her pussy made these wet, sticky sounds — schlick... schlick... schlick — like it was sucking me in and spitting me out. You could hear how soaked she was, that creamy juice coating my cock and dripping down my balls with every bounce.

I grabbed her hips and started thrusting up to meet her. The sounds got even nastier — loud, wet plap-plap-plap mixed with the constant squelching of her pussy getting wrecked. Every deep thrust made this filthy gushing noise, like her cunt was overflowing and my cock was churning it up.

“Harder, Jake — fuck your little step-sister’s pussy!” she begged, nails digging into my chest.

I flipped her onto her back, threw her legs over my shoulders, and pounded her deep. Her C-cups bounced wildly, nipples rock hard. Her pussy was making these loud, sloppy squelching sounds now — wet, rhythmic glucks every time I drove in balls-deep, like it was trying to milk me. The mattress was creaking, headboard banging the wall, but we didn’t give a fuck.

I pulled out and flipped her onto all fours. Doggy was always her favorite. I slammed back in and her ass rippled with every thrust. Her pussy sounded even wetter from this angle — loud, creamy squelches and wet fapping noises as my balls slapped her clit. Every time I pulled back you could hear the air getting sucked into her tight hole with a little “shlurp, ” then a loud squish when I drove back in.

“God, listen to how wet your pussy is, ” I growled, spanking her ass hard.

Amy just moaned louder, pushing back to meet me. “It’s all for you... fuck me stupid!”

I reached around and rubbed her clit while I railed her. That pushed her over the edge. Her pussy suddenly clamped down like a vice and started pulsing — these rapid, wet fluttering sounds mixed with a long, gushing squelch as she squirted all over my cock and the sheets. She screamed into the pillow, whole body shaking.

I couldn’t hold it. I buried myself as deep as I could and unloaded, thick ropes of cum pumping into her spasming pussy. You could hear the wet, creamy sounds as I filled her up — every spurt making her overflowing cunt even sloppier.

We collapsed in a sweaty, panting heap, my cock still buried inside her twitching pussy. Cum and her juices were leaking out around me, making little wet dripping noises onto the sheets.

Amy turned her head, grinning that same wicked smile from the pool day. “Next time Elise comes over... we’re doing this with her watching from the start. But right now? I want round two before Mom and Dad get home.”

She squeezed her pussy around my cock again, already getting ready for more.

The house was ours for the next eight hours... and we were gonna make every minute count.