Mom's House, Mom's Rules

"What?!" she said softly. "I love it when Dad does it. I'm on the pill, you know," she added.

"But...but."

"But what?" Her hand moved. "See?" she reasoned. "You have a hard-on. I hate to see a good one go to waste. And, judging from earlier," she said her voice returning down into breathy sexy mode, "you've got a girthy cock. I love 'em thick," she confessed.

"I know you're a virgin," she said next. "I was too until my eighteenth birthday," she added. "Best thing in the world to wait, to have your parents teach you about sex. And now your big sister to help you out," she added.

"Um." Her hand was now resting on my hard-on, pressing down on it. Any tiny movement she made transmitted, and after this day my cock was on red alert. My hips shifted, and a little moan escaped my lips.

"You're so hard," she whispered. "Can I taste you?" she asked me. "Please? Pretty please?" Her hand rubbed up and down over me through the covers.

There's nothing really I could have said except yes. So I did. She yanked the covers down, revealing my hardness to her. "Oh god what a cock!" she breathed softly. "So thick!" She ran a finger along the underside from balls to head, eliciting the reaction of me of straining, my back arching from the bed. "Mmm that feels good?" Ellen asked.

"Yeah," I groaned. "So good."

"Mom taught me that," Ellen laughed. "This too," she said, and bent. Rather than a fingernail I was treated to Ellen dragging her tongue slowly from balls to head, pausing to hit a little spot behind the head that made me whimper and squirm in my bed.

"Oh god what else did she teach you?"

"You'll find out soon enough," Ellen laughed softly. Her fingers wrapped around the base of my erection, lifting it from my body. "I learned this on my own." With that she popped the head of my cock into her mouth.

I was overwhelmed in a way never before experienced. My breath was stolen from me, as my back arched and I was trapped by the greatest pleasure I'd ever felt. Mom wasn't that good - Ellen was a cockgoddess, sucking and teasing me like she had one herself. She was perfect, soft but not too soft, no biting, the right suction, and of course that tongue never ceased moving.

"Oh oh god Ellen!" I gasped. "Oh!"

She released me. "Don't cum yet, little brother." She toyed with my cock, bouncing it against her lips. "I want you to cum inside me."

"Oh god I won't last long!" I promised her.

"Then you need to do this for me!" she said wildly, and scrambled up the bed. Suddenly I was presented with my second pussy of the night, again from below, and this time it was my insatiable sister who plopped down on me and knelt and offered me her pussy. "Eat me!" she ordered.

"With pleasure!" I assured her. As I had done earlier I was smothered in pussy. The scent, taste, heat, texture - all of it. Awash in the pleasure of pussy I lost track of time completely. Nothing mattered except my tongue sliding against wet flesh, and how that wet flesh reacted to the pleasure. Somewhere I heard the panting moans and desperate cries of my sister caught in the throes of orgasmic delight. I knew I was bringing her close, the way her hips jerked, and her hands spasmed at my head.

She pressed her weight down on my forehead, trapping me, and roughly jerked her hips, back and forth, face-riding me hard. I was soon soaked from chin to hairline with my sister's wet, juicy cunt. The way her moans were muffled made me think that she was biting her lip, probably ferociously, to avoid going into full-throated screams. It did not matter, because a moment later she lost her voice completely, as she was engulfed in an orgasm that rendered her incapable of doing anything except gasping wildly for air. I felt her body's spasms, hard and powerful, erupt and pummel her. I was also rewarded with another splash of orgasmic juices, again drenching me in aromatic luids.

She scooted backwards. "Oh my god. Oh my god. You're so good at that. Already," she panted, acknowledging that I was a mere amateur. "Almost as good as a girl," she added, and giggled when I stiffened.

"You've had girls go down on you?"

"Oh yeah," she confided in me, leaning down close. "I've turned two into full-blown lesbians. But I like my cocks, too," she added.

"Wow."

"You should try it."

"Try what?"

"A man. Sucking cock."

"Oh god, no," I said laughing.

"Just be open-minded, okay?" she replied.

I didn't say anything to that. I wasn't going there. "I thought you wanted me to cum in you," is what I said instead.

"Oh. yeah. Fine." She giggled, and scooted backwards some more. Reaching down between her legs, she grasped me and then guided me easily into the tight, wet tunnel of her sex. I was gripped by her muscular walls, and she began rocking up and down slowly. "Oh you're so thick. God I could do this all night!" she moaned wildly.

I moaned something about not being able to do that.

"You wanna cum little brother?" she asked.

"Yeah."

"Okay, then, cum in me, baby!" she said. Her speed went from easy to fast, driving her hips down into me, and my thick cock was completely enveloped by her. I reached up and grabbed her big boobs and felt amazement at how they felt in my hand. So big and girthy and thick and heavy and warm. I was amazed at them.

"Sis I changed my mind, can I cum on your boobs?" I asked.

"N-next time," she panted. "I'm close again!" she moaned.

I began thrusting up into her. "Yes baby that's it!" she urged me. "Fuck me, fuck me hard with that big thick cock of yours...!" she wailed, her voice probably loud enough for my mom and dad to hear. But then again...if they were busy...

Just then Ellen came again, hard, by the feel of it from her body and the sudden wetness engulfing me. Just the thought of her squirting was enough, and I screamed as my hips rose and slammed into her, burying my cock as deeply into her as it would go, and my cock began spewing rope after rope of cum high up into my sister's quim. I shuddered, beyond the ability to speak, just like she was.

The orgasm collapsed us both. One moment, stiff and posed, shooting and squirting, and in the next a puddle of loose muscles incapable of providing support. She fell on me, panting and heaving. She slid off of me and to the side, content to lay there quietly.

"You have a lot left to learn though, little brother," she said when voice finally returned.

"I know. I'm looking forward to it."

She kissed me on the cheek before slowly extracting herself from my wet bed. "Just one thing to remember," she told me in parting. "Mom's house, mom's rules."