Sharing You with My Sister

I knew how he looked at her sometimes. Flattered when she gave him some attention. The way she would place her hand on his shoulder as she laughed. He always read into it. That she was into him. Hannah was always flirty. Guys usually jump to conclusions, assuming the most innocent actions mean a girl is into them.

But he was right about Hannah. She was into him.

And probably for a while.

I glanced at Eric, the glare of the phone lighting up his face in our dark bedroom. I pulled my panties down and climbed onto him.

“Whoa, what a nice surprise,” he said, feeling my bare ass.

“Did Hannah message you again?” I asked.

“Yeah, asking me if this outfit is flattering or not,” he said, showing me the phone.

It was a photo of her in a short skirt and crop top. She had the perfect body: tiny waist, great tits. She was also younger than me, having just started college.

“Do you think she’s hot?” I asked.

Eric’s face turned a little red.

“Why would you ask me that?” she stammered.

I ground my bare pussy over his boxers, feeling his cock growing harder.

“Well, do you?” I asked.

“She’s your sister,” he said, avoiding the question.

“I know she is. I’m asking if you find her sexually attractive?” I continued.

His cock was growing harder by the second. Was it me? Or was he thinking about her?

“She’s obviously good-looking,” he said, groaning softly first.

I reached down and pulled his cock through the front of his boxers. I placed his tip between my puffy pussy lips.

“Do you want to fuck her?” I whispered, feeling his veiny shaft sliding between my labia.

“Uh, no, why would I do that,” he responded quickly.

“Don’t you want to push your cock into her tight, college-girl cunt? Feeling that wet, warm fleshy canal squeezing your shaft?” I said as his cock slipped into me.

“Ahhh,” he moaned, closing his eyes.

“Grab her tiny waist as you fuck her, her big firm tits bouncing in your face,” I continued, riding Eric harder.

“This is weird…” he mumbled.

But he couldn’t hide how hard he was. How much his cock throbbed inside me.

“You can fuck her if you want,” I said, still riding him.

“What?” he said.

He looked surprised.

“As long as I can watch.”

He frowned.

I climbed off him. His soaking wet cock slipped out of me with a loud plop.

“Hey!” he said, his cock still pulsating, ready to explode at any minute.

“Save yourself for Hannah,” I said, kissing him goodnight before I went back to bed.

*****

I awoke later that night. Eric wasn’t next to me. I could hear heavy breathing in the bathroom. I slipped out of bed as quietly as I could. The door was slightly ajar, and I could see Eric moving his arm furiously.

He was jerking off.

Probably couldn’t get back to sleep after I left him high and dry.

He was staring down at the counter.

I pushed the door open a little and noticed his phone.

It was the photo of Hannah.

*****

It was a week later. Somehow, I had convinced Hannah to join us in the bedroom.

“This feels really weird,” she said.

I sat on a chair, facing the bed.

“I agree,” Eric added.

“Guys, just do it,” I said.

Hannah was wearing the same short skirt and crop top from the photo she sent a week ago. The photo Eric jerked off to later that evening…

Eric pulled Hannah close and started kissing her. I felt a pang of jealousy, watching him grab her round ass cheeks, pulling her thin waist against his body. Their kissing grew more intense. He grabbed her crop top and pulled it over her head, allowing her perfect tits to fall out. Her nipples were dark and hard.

He leaned forward, grabbed her breasts, and started sucking her nipples.

Hannah moaned, running her hands through his hair.

Eric stood upright again and jerked her short skirt to her waist. She wasn’t wearing any panties. Hannah pulled his boxers down. Eric was completely hard, veins bulging around his massive shaft.

“Oooh,” Hannah said, grabbing his cock, tugging it back and forth.

“Condom!” I chimed in.

“Oh yes,” Eric said, opening a packet.

“I’ll do it,” Hannah said seductively, pulling the condom from the packet.

She licked her lips as she rolled it over his cock.

Hannah was surprisingly into it. It made me a little suspicious… Had she sent him any other photos? Perhaps even naked ones?

Eric picked her up and placed her on the bed as she wrapped her legs around his waist. They kissed again.

“Fuck me,” she whispered.

I watched as Eric pushed his cock into her smooth, shaven cunt. I watched my husband’s cock sliding deep into my sister’s pussy. Hannah cried out, clawing at his back as he started fucking her.

Hannah’s tits bounced vigorously as he ploughed her hard while she whimpered and moaned.

I could feel the wetness between my legs. My lips growing thicker and wetter the more I watched.

“Cum inside me,” Hannah whispered.

As if in slow motion, Eric pulled his cock out of her drenched pussy. Hannah tugged the condom from his cock, and he shoved himself back inside her, unprotected.

“Eric!” I shouted.

But it was too late. The next moment he grunted hard as he fucked her relentlessly. Eric exploded, filling my sister’s fertile womb with a jet of his cum. He continued fucking her hard as Hannah squealed while she climaxed. She cried out and writhed as an orgasm tore through her tight body.

A moment later, Eric stood up, his cock leaving her pussy with a loud squelch. Cum started oozing out of her pink lips onto our bed.

I couldn’t believe what happened.

“Lucy…” Eric said, walking over to me, his wet cock dripping cum.

“Just… fuck off!” I shouted.

Hannah pulled her skirt back down. I could see the cum running down her thighs.

“This was your idea,” Hannah said.

They know what they did was wrong.

And I was already plotting my revenge…