It Was in the Genes - Cover

It Was in the Genes

Copyright© 2024 by Kin Asdi

Chapter 8

Romantic Sex Story: Chapter 8 - What do you do when your sexy sister, Cindy, is in love with you? Casper, a true nerd at heart, finds out she is adopted and realizes he has fallen for her as well. The dilemma of their ‘forbidden love’ forces them to find a bearable solution. Will they succeed to have a happy life after all?

Caution: This Romantic Sex Story contains strong sexual content, including Ma/Fa   Fa/Fa   Consensual   Romantic   BiSexual   Heterosexual   Fiction   Brother   Daughter  

I stood in front of Clair’s house, waiting for her to open the door. I had lost count how many times I’ve been with her the last few weeks, and it had been fun. It was now official for our parents; Claire and I were a couple.

We had been fooling around but neither I nor Claire were ready to lose our virginity. I was totally flabbergasted when I found out I was her first real boyfriend. She had a few flings that never lasted more than a week. All the times we were together we worked hard for school and that resulted in good grades but of course we loved to make out and we have explored each other’s naked bodies. I tried to apply my sapphic skills on her but that was just a bridge too far.

I remembered the hot sessions I had with Cindy the evenings my parents were out playing cards. I was getting very comfortable with bringing my sister to unprecedented highs by skillfully postponing her orgasms. The longer she was deprived from her orgasm, the wilder she got. I loved how she got into an animalistic state like a wild tiger when I practiced my cunning game of serious edging. She loved it and as a reward she used to slide her soaking pussy over my cock ever so slowly. Sometimes she managed to reach a second orgasm at the same moment I had reached my high. I started to know her body better and I knew it was almost time to help her fix her problem.

Simon was in heaven, and I believed Cindy had fallen for him as well, even though she didn’t want to admit it yet. I was pretty sure her unwillingness to commit was related to her major issue.

Claire’s happy voice pulled me from memory lane when she opened the door, “Hi sweetie.”

I stepped in and pulled her into a hug. “Hey baby, I’ve missed you.”

She kissed me with a fiery passion. I moaned when I tasted the minty chocolate, knowing she was in the mood for more.

“Come,” she said breathlessly. “Nobody is at home except us.”

I wriggled my eyebrows which made her giggle nervously. I knew we had an hour before I needed to pick up Cindy and take them to cheer leading practice. Our volleyball training was at the same time, which was perfect for the three of us.

We rushed upstairs and as I undid the laces of my shoes, Claire slipped into her room already. My mouth fell open when I entered her room. There she was, standing in the middle of the room, only clad in a super sexy set of lingerie. It was a simple design, but it fitted her toned body perfectly. The red lace of her bra contrasted with her olive skin and that made her breasts stand out even more. Dark nipples were visible and protruded proudly from her amazingly firm tits.

“Wow,” I gushed while I walked towards her, “you look so hot!”

Her smile was nervous. “It’s not too much?”

I cupped her face in my hands and as I looked into her sexy smoky gray eyes I whispered, “You are too sexy for it.”

“Casper,” she groaned, which was cut off by me because I pressed my mouth on her soft lips. Our French kiss was oil on my fiery desire, and I gently pushed her backwards to the mirrored door of her wardrobe. She squealed when her body touched the cool glass. I ignored her whimpering and traced hot kisses down her delicious body. I nuzzled her pubic hair through the thin layer of fabric and as I inhaled her musky scent I pleaded huskily, “Please Claire, let me adore you.”

Her hands roamed through my hair until she suddenly grabbed a fistful to force me to look up. Her face was flushed when she breathed, “Promise me, you will stop instantly when I ask you to stop.”

I knew it was oh so easy just to keep on going and totally forget the wishes of the other person. I slowly caressed her sturdy thighs, triggering an involuntary shudder through her body. I nodded and answered solemnly, “I promise.”

“Oh god,” she whispered when I slid my hands over her firm bottom to hook my fingers into the side straps of her undies. Ever so slowly I peeled down the fabric, revealing her amazing pussy. I lifted her leg onto my shoulder, hoping she would be able to keep her balance. It seemed to be second nature for her, and she provided unrestricted access to her inner sanctum. Her pussy lips opened like a beautiful flower, and I was delighted I could start to pleasure her.

It didn’t take me long to find the perfect spot to stoke up her inner fire. Soft moans escaped her mouth, which were music to my ears. I wanted her to be involved and commanded, “Play with your nipples, baby. Pinch them, it will intensify your climax.”

It was a great spectacle to watch her pulling her breasts out of the bra. I had a thing for slender, perfectly manicured fingers that were involved in sexual acts. I craned my neck to watch her playing with a nipple while I carefully probed her clit with my tongue. She gasped loudly while she bucked her hips towards my mouth. I smiled internally, knowing I could give my lovely girl a mind-blowing climax.

Her breathing started to get labored when I increased the speed, I was plunging my fingers into her silky and wet channel. “Oh god, Casper. Please don’t stop,” she moaned.

I loved the way she pulled at her nipples, and I knew she was hovering on the edge of a huge climax. Her legs were trembling, and it was time to push her over the threshold of no return. My tongue was a blur over her swollen clit and soon enough her body started to shake.

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