I walked into the house after a long day and saw my sister Lena bent over the kitchen table in nothing but a tiny tank top and thong. Her ass was round and thick, cheeks spilling out, and I knew right then I was going to fuck it. We had been sneaking around for months, ever since she turned eighteen and moved back in. No more pretending.
"Lock the door," she said without looking up, already pushing her ass out farther. "Dad's gone all weekend."
I dropped my keys, crossed the room, and grabbed both cheeks hard, spreading them. The thong string was buried deep between them. I yanked it aside and spat right on her asshole. She moaned low and dirty.
"Been thinking about this ass all day," I told her, rubbing my thumb over the tight ring. "Gonna wreck it tonight."
Lena pushed back against my hand. "Then stop talking and do it. Shove that cock in my ass like you own it."
I freed my dick, already rock hard, and pressed the head against her hole. No lube except spit and her own slickness. I pushed slow at first, feeling that ring stretch around me, then slammed the rest in one thrust. She grunted loud, gripping the table edge.
"Fuck yes, stretch my ass," she hissed. "Deeper. Pound it."
I gripped her hips and started fucking her ass hard and steady, balls slapping her pussy with every stroke. Her cheeks rippled every time I bottomed out. The wet, filthy sound of my cock sliding in and out filled the kitchen. She reached back and spread herself wider for me.
"Look at that greedy hole taking every inch," I growled. "You love your brother's cock in your ass, don't you?"
"Love it," she panted. "Fuck it harder. Make it gape."
I pulled out halfway, spat on my shaft again, and drove back in, picking up speed. Her asshole clenched and fluttered around me. I reached under and rubbed her clit rough and fast while I kept pounding. She came quick, ass squeezing my cock like a fist, juices dripping down her thighs.
I didn't stop.
I flipped her onto her back on the table, hooked her legs over my shoulders, and sank back into that hole. Now I could watch her face while I fucked her ass deep. Her tits bounced with every thrust. I spit on her clit and rubbed it again.
"Play with your nipples," I ordered. "Pinch them while I wreck this ass."
She did, twisting them hard, moaning filthy. "Cum in my ass. Fill it up. I want to feel it leak out later."
I slammed faster, the table creaking under us. Her ass was hot and tight, sucking me in. When I got close I buried myself to the hilt and unloaded, pumping thick ropes deep inside her. She came again from the feeling, ass milking every drop.
We stayed like that a minute, breathing hard, my cock still twitching in her ass. Then I pulled out slow and watched my cum trickle from her stretched hole. She reached down, scooped some on her fingers, and licked them clean.
"Round two in the shower," she said, already standing up on shaky legs. "This time I want it from behind with the water running down my ass."
I followed her, already getting hard again. The weekend was just starting.
