How I Became My Stepbrother's Slut - Cover

How I Became My Stepbrother's Slut

Copyright© 2021 by Farleven

Chapter 8

Mind Control Sex Story: Chapter 8 - When my mother got remarried, I wasn't ready to get a new stepbrother. It was bad enough that he was a skinny geek. At least he was, until he suddenly wakes up one day as a beefy hunk. Before I know it, I'm finding myself unable to resist him, letting him do whatever he wants with me, and soon he sets his sights on my cute Asian friend...

Caution: This Mind Control Sex Story contains strong sexual content, including Ma/Fa   Mult   Teenagers   Magic   Mind Control   Reluctant   BiSexual   Heterosexual   Fiction   Interracial   White Male   White Female   Oriental Female   First   Masturbation   Body Modification  

The next day, Brandon called my good friend Susan over to our house. I’d tried to convince him not to, but he just smiled at me and I felt the tingle that told me he was making me alright with what he wanted to do. It didn’t take her long to come over and I let her into the house as quickly as I could, not wanting to show off what I was wearing to the entire neighborhood.

“Terri what happened to you?” Susan asked. I could see the shock in her eyes as she looked me over, and I would have done the same if the positions were reversed. Since I didn’t have to go out Brandon had me dress up for him, or rather dress down.

I was only wearing one of my old cutoff T-shirts and a pair of thong panties Brandon had bought for me. Not only that, but my new boobs were far more than the shirt was designed to hold and they stretched out the material to the point where there wasn’t any part of my chest that was left to the imagination. Even without a bra my new tits stood out round and perky from my chest, and my big puffy nipples poked up through the material lewdly. I didn’t even want to think about what Susan though of me in that moment, but I was truly feeling sorry for her. In truth, I was proud of how I looked, my boobs were just perfect and I just loved showing them off. This wasn’t like me at all, but I just couldn’t help myself, and even with Susan I couldn’t help thrusting out my tits so she could appreciate them.

Susan was a sweet little Asian girl, with long black hair and a nice, slim figure. I’d seen Brandon check her out more than once before, so it hadn’t surprised me that he had called her over. I just wished there was something I could do, but all I could do was tell her what Brandon had instructed me to tell her.

“Brandon is waiting up in his room for you.” I said, and watched as Susan’s eyes glazed over for a second. Then she started walking towards the stairs with the same look of shock and concern as before. No doubt she was wondering why she was heading upstairs, and beginning to fret about what was happening to her.

After I watched Susan walk up the stairs I sat down on the couch and pulled off my top letting my boobies bounce out nicely. It felt so much better having them free of that confining shirt. I looked down and smiled at the two big and perky tits that were now resting on my chest. I had to admit that there had been days that I stood in front of the mirror and wished my boobs were bigger and now I had them bouncing on my chest. I was still a bit miffed that Brandon hadn’t even asked me, but I just couldn’t bring myself to ask for my little old titties back.

It wasn’t long before I heard surprised squeals from upstairs, followed quickly by moans of feminine delight. The sounds of squeaking springs came down next, with Susan’s cries of passion rising and falling over the din. I knew just how she was feeling, shock, surprised and completely enthralled with Brandon’s performance. My thoughts flashed back to my own first time with Brandon and I let my fingers slip under my panties. Soon, my own moans were flowing just as freely as Susan’s.

Brandon took his time enjoying Susan’s first time. Since he could control his own release he didn’t rush anything, something I’d been more than a little pleased by in the last few weeks. It hadn’t taken long for me to lose count of Susan’s cries of release, and I wondered just how long Brandon would keep going before calling me up. I was more than a little concerned about what he’d make me do next, especially with Susan in his bed. Still, I couldn’t help but feel a twinge of anticipation at the pleasure I’d likely get to enjoy. This was certainly getting to be so horribly bizarre. Even as I sat there casually playing with myself and listening to my friend cry out in pleasure from my brother’s attention, I knew just how wrong it all was. It seemed that every day brought Brandon more confidence and sent me even closer to becoming his perfect slut. I couldn’t even summon the same outrage I had before. Every glorious fucking just made me ask why I wanted to fight him and every time I could summon up fewer reasons.

Finally, I heard Brandon call out my name and I jumped up from the couch and ran up the stairs, feeling my big new boobs bouncing wildly with each step. His door open and I braced myself for what I was about to see. My eyes trailed up from the floor, over Susan’s hastily discarded clothes to my brother’s bed. Susan was on her hands and knees on top of Brandon’s sheets, panting softly and shifting her hips back against Brandon. Her naked flesh sparkled with perspiration and the musky scent of sex hung heavy in the air. She looked up just as I came in and I watched as she turned red with embarrassment but didn’t stop bucking back against my Brother. She looked radiant like that, humping her hips while her round little boobbies bounced with Brandon’s thrusts. I don’t know what came over me, but I couldn’t deny just how aroused I was getting watching Brandon fucking my best friend.

“Terri, help me, please! Brandon’s placed some kind of spell on me!” Susan groaned as she slipped herself back onto Brandon’s cock. “I can’t stop! Oh god, this feels so good! Please help me stop!”

Brandon just smiled and plowed into Susan a couple times, bringing squeals from her lips. “Come on, Susan, I know you just love this. Doesn’t she look hot, Terri?”

I just stood there and watched for a moment as Brandon continued thrusting into Susan. I was simply captivated, having never watched two people make love before. It wasn’t long before I realized Brandon was right. “Oh, yeah, Susan, you look so hot right now! I bet you’re just loving Brandon’s nice big cock inside you, I know I do.”

“Terri! How can you say that?” Susan cried as she humped herself back against Brandon again. I could imagine just how she was feeling, but I couldn’t deny my feelings, not in Brandon’s presence. I’d been there myself on that same bed both in rapture and in shock at how Brandon could control me.

Brandon grabbed onto her, pulled her back up to his chest, and wrapped his arms around her waist giving me a full view of Susan’s naked glory. She was still blushing fiercely, but that didn’t detract from her beauty, if anything it made her look even hotter. I’d never felt any attraction to another girl before, and I’d seen Susan naked in the shower at school plenty of times. Yet now I felt myself tingling just looking at her sexy passion swept little body. Her titties were just perfect, cute and perky with pink little nipples poking out from them, showing just how horny she was. I didn’t know why, but they looked just perfect for squeezing or sucking and I found myself wondering just how Susan would taste. My eyes drifted between her legs next, and I was greeted with the sight of her hairless little pussy wrapped around Brandon’s nice hard shaft and I giggled. I knew just how Susan must be feeling right then filled with my brother’s cock and marveling at the feelings it could stir. Her naked lips looked so cute stretched out around his cock that I wished she could see it.

“Susan! You shaved for him didn’t you?” I squealed as I remembered when I’d shaved myself in the first days of Brandon’s influence. I hadn’t known why at the time, but it hadn’t taken long for him to tell me. I had to admit her pussy looked real cute like, all hairless and aroused, impaled on a nice big shaft.

Susan just looked away in obvious shame. Oh, man, she was hot when she did that. I didn’t understand it, but I was just getting off on how ashamed Susan was of her behavior. For a moment I could remember just how wrong all of this was, and that we were both being used, but no sooner had the thought crossed my mind than it was pushed away by Brandon’s compulsions.

“Don’t feel bad, he made me shave myself to!” I chimed back and pulled my panties down with a quick tug, showing off my own hairless pussy. “I like how smooth and cute it looks, and yours looks just great wrapped around his cock. I wish you could see how sexy your little pussy is right now.”

“Terri!” Susan whined. She shuddered visibly as another wave of crimson washed over her face.

Her cry touched off another sense of wrongness in me and I latched onto it this time. I was lusting after my own best friend even as my brother was taking advantage of her. I just wanted to go up to her and give her the biggest French kiss I could on her pouty little lips and press our naked bodies together. This wasn’t me, I realized as I ogled Susan, I wasn’t a lesbian, but I knew who was responsible for it.

“Brandon, why did you have to make me a lesbian?” I whimpered as I tried to pull my eyes away from Susan’s sensual curves. I wasn’t entirely sure I wanted to object, but I couldn’t just let my brother get away with making more changes to me without at least saying something.

“I didn’t make you a lesbian, just fully bisexual, sis. That way you can join in the fun as I induct other girls into our new club, just like Susan.” Brandon explained. That didn’t surprise me. He would have as much fun conquering my friends as watching me play with them before finishing their induction.

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