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Introduction:

Charlie is in love with her best friend, and comes up with a devious plan to make her her girlfriend. Unfortunately, her plan goes wrong...

"Charlie, you've got a parcel!", my dad shouted from downstairs. I squealed with excitement and ran down the stairs two at a time, before grabbing the package out of his hands.

"What is it?", he asked.

"Nothing!", I shouted as I ran back up the stairs. He shook his head at his daughter's strange behaviour and turned his attention back to the other mail.

I slammed the door to my room and tore off the packaging. Inside, I found a small glass bottle and a single piece of paper. The bottle contained a red liquid, and the paper said the following:

"In this bottle contains one dose of Esmerelda's strongest love potion. Used correctly, the recipient of the potion will fall deeply and permanently in love with you - just dissolve one of your hairs in the potion, and have them drink it. WARNING: once they've drank the potion, there's no going back. Only use it if you're certain you want this."

It had finally arrived! I'd ordered it from some dodgy website I'd found a couple months ago and had almost forgotten about it until now.

I opened the bottle and took a hesitant sniff. It didn't smell of anything at all, really. I reached up to my hair and plucked a single long blonde strand out, before pushing it into the bottle. Suddenly, the potion turned a vivid pink, before turning completely colourless and transparent. That's certainly be easier to use!

My phone buzzed, letting me know that my best friend and longtime crush, Maya, would be arriving shortly. I jumped off my bed and pulled some clothes out of the cupboard to change into. I stripped out of my clothes and looked at myself in the mirror. I wasn't exactly chubby, but I didn't exactly have the skinny body I used to have a few years ago when I exercised more. I think my best feature is my ass, but my tits are okay too - not too small, not too big. As I changed into a sexier bra, I squeezed them together. I was excited - if the love potion worked, then Maya would be mine tonight. I pulled on a matching thong, then my favourite dress - a red dress that Maya had bought me a few years back for my birthday.

I quickly brushed my hair and applied a bit of makeup, and then I heard the doorbell ring. I heard my dad answer the door and doorsteps start to come up the stairs, and I panicked - the love potion was still on my bed! I manged to hide it just in time before Maya came into the room.

"Ooh hey there sexy girl!" said Maya, spinning me around once before greeting me with a hug. I smiled and hugged her back. She always complimented me, but I knew there was nothing behind it other than friendship - she doesn't like girls. At least, not yet.

For an hour, things go like they normally do. We chat about life, about school, about our dating lives. She's just started seeing a guy, and I'm not seeing anyone. Standard stuff - she always seems to have a guy on the go.

Then, I decide it's time to put the plan into action.

"Hey, I made some lemonade earlier, would you like a glass?", I said.

She smiled. "Why didn't you say so earlier? I'd love a glass!"

"Okay, stay here and I'll bring a couple glasses upstairs!"

I ran down the stairs and crossed into the kitchen, before opening the fridge and getting the kit off lemonade out. I poured two glasses of lemonade and carefully emptied the love potion into the left glass. My hand was shaking, I was so nervous! I hoped it was going to work.

"Oi, pour me a glass too", came a voice from behind me. I jumped and turned around, scared I'd been caught. I didn't need to be worried, though - it was just my idiot older brother, George. We didn't really get on very well, but at least we didn't fight all the time like we had when we were younger.

I sighed and rolled my eyes, before pouring another glass. After returning the jug to the fridge I picked up me and Maya's drinks, leaving George's drink on the side for him to grab himself.

I headed back up the stairs and into my room, smiling at Maya and handing her her glass. She took a sip. "Mmm, wonderful! Just what I needed." I laughed and drank mine too.

The rest of the evening proceeded the same as any other evening me and Maya spend together. I wondered how long the love potion would take to have an effect, or how I'd be able to tell - maybe it had already kicked in but she was too shy to act on it! No, that wasn't it. If there's one thing Maya didn't lack, it was confidence.

"Hey it's getting pretty late, can I stay here tonight?", she said.

"Of course!", I replied. Again, this wasn't a sign of anything - she stayed over all the time, especially at this time of year.

A couple hours later, we decided to head to bed. We changed into our pyjamas, and I got to see glimpses of her body. It was very different to mine - unlike me, Maya had been chubby when she was younger, but had slimmed out as she got older. Now, her body was stunning - she had long slim legs, a nice ass, and perfect perky tits. She looked back over her shoulder, caught me looking, and giggled.

"Are you checking me out?", she laughed.

"Who, me? I'd never!", I replied, also laughing.

God, I couldn't wait to grab those tits once the potion wore in.

We got into my bed and started to doze off. I leaned over and kissed her once on the cheek. She smiled and said "good night, Charls". I leaned over again and softly kissed her once on the lips, and then again. She didn't say anything, but she didn't kiss me back either.

I reached a hand over and lay it on her leg, before slowly starting to move upwards, stroking her lower thigh, then upper thigh, then moving towards her inner thigh, aiming for her pussy.

All of a sudden she sat up and got out of bed.

"Umm, I'm going to go sleep on the sofa. Let's talk about this tomorrow."

Then, she left the room. I guess the potion hadn't kicked in yet! Oh well, I knew it would eventually, and she'd be back begging me to fuck her.

As I lay in bed falling asleep, I thought about what me and Maya would do together once she was my girlfriend. I couldn't wait to taste her pussy, and make her cum again and again. I'd be the first girl she ever got with, and I was going to make it special for her. We'd stay awake all night fucking, and then lie in bed through the morning kissing and giggling together.

And with that on my mind, I fell asleep.

----

I was woken by the sound of my door creaking open. I glanced over at the clock - it was 4am. I smiled. The potion must have had its effect!

I felt my sheets move slightly as Maya got into my bed, then I felt her hands and knees either side of me as she crawled over and up me. Her hand gently cupped the side of my face, and then she kissed me on the lips. I smiled and kissed her back.

Wait a minute though, something was wrong. The weight on top of me wasn't right - it was too heavy. The lips against mine were too rough.

I reached over and switched on the light, and realised with horror what had happened.

The person in my bed kissing me wasn't Maya. It was my fucking brother!

I tried to push him off me and squealed. "What the fuck, George? What are you doing?"

"I love you so much Charlie. I don't know what's come over me. I love you and I need to be with you."

I could tell by his wild eyes that he was being deadly serious, and I realised what had happened - clearly, there had been a mixup in the kitchen, and he'd drank the love potion, not Maya. FUCK! What was I going to do?

I had barely had time to process this before he leaned in and pushed his lips into mine again. No fucking way, I wasn't going to let him. I turned my head to the side and he grabbed me by the neck, forcing my head back towards him. I couldn't fight him, he was too strong, and I felt his lips against mine again, kissing me again and again.

I felt his lips open and his tongue push its way through my lips and run over my teeth. I thrashed around, trying to get him off me, trying to get his face away from mine, but nothing works. I felt disgusted. My own brother was straddling me, forcing his tongue into my mouth.

I tried to shout out, but when I opened my mouth to shout, he pushed his tongue further into my mouth. I could feel his tongue against mine and I wanted to be sick.

I felt his hand grab one of my tits through my pyjama top, roughly kneading it as he violated my mouth with his tongue, and I realised that he wasn't going to stop at kissing. It was a powerful love potion, after all. What had I done?! He moved his hand to my other tit, roughly squeezing and playing with that one too, and then he reached down and begun to pull my top up. I resisted, holding it down, and he tore the top open, exposing both of my tits. I tried to cover myself up with my arms, but he grabbed my wrists and easily moved my arms away.

"Mmm, nice tits, sis", he said, staring down at my exposed chest, saliva pooling at the corner of his lips. He leaned forward and kissed both of my nipples, before licking and sucking them one at a time.

I considered shouting for Maya or my parents, but how would I explain what had happened? It wasn't George's fault he drank the love potion, it was mine. Plus, his tongue on my nipples did feel kind of good...

I was snapped out of my moment of contemplation by the feeling of George roughly pulling down my pyjamas bottoms and panties, leaving me in only my ripped top. I'd never felt more exposed in my life, and tears filled my eyes as I made another attempt to push him off. "Please, George!", I begged. He ignored me, and roughly ran his fingers over my pussy. I felt my body begin to betray me, my pussy starting to get wet, and shuddered in disgust. My own fucking brother! This was so wrong.

He was now fingering me with one hand, while kicking and sucking my nipples, and holding my other hand together with his free hand, stopping me from pushing him off. Even with one hand, he was stronger than my two. My wrists hurt from struggling against him. I begged once again for him to stop, but he's just ignored as me again.

My pussy was now quite wet, and he grinned at me as he fingered me. "See, I knew you'd like it", he gloated. He held his fingers, wet with my pussy juices, up in the air, and then pushed them into my mouth. I gagged on the taste of my own pussy as he pushed his fingers down my throat. Soon though, his fingers were back inside my pussy, fingering me hard.

He stopped kissing my tits and started kissing down my body, kissing down my stomach, before arriving at my pussy. While still fingering me, he licked the entire length of my pussy, before starting to lick my clit at a similar speed to him fingering me. Fuck, he was pretty good at this. I was worried I was going to cum if I couldn't get him to stop, and then what were my chances of being able to stop him from going any further?!

With his new position, I realised my hands were now free, and I reached down and tried to push his head away from my pussy. He grabbed my thighs and pulled himself back towards my pussy, immediately resuming his licking. His grip on me was so tight. It was pointless to resist, he was too strong.

A few minutes later, and I felt a warmth begin to spread through my body. Fuck, I was about to cum. As my orgasm started to race through me, I tried to hold back so that George wouldn't know, but at the height of it, a small moan escaped my lips and my back arched, pushing my gushing pussy towards him. He smiled as he licked me to completion, and another moan escaped my lips. Fuck! My body was betraying me.

Once I had finished cumming, George stood up, and for a second, I thought he might finally be about to leave me in peace. That thought didn't last long though as he begun to pull off his clothes, starting with his top, then his shorts and underwear, revealing probably the biggest cock I'd ever seen. "Fuck George, please don't put that thing inside me. It's too big. This is so wrong. You're my brother, I don't want this!"

George stood over me, and with a grunt, pushed his entire cock deep inside me. Stars filled my vision as the pain of his massive cock stretching my pussy overcame me, but it only lasted a couple seconds. By the time my vision came back, he was fucking me hard. There was no starting soft and ramping up gently, there was no letting me get used to the size of his cock. His sex-mad instincts had taken over, and he was fucking me like an animal - treating me like his whore.

He squeezed my tits hard as he fucked me, the pain pushing more tears out of my eyes. I could tell my face must be a mess but now, the makeup I'd forgotten to remove last night all over my cheeks. I begged, "please George, not so hard. That hurt!"

This time, he didn't ignore me, and he started squeezing more gently. It didn't hurt. It felt good. His cock inside me was also starting to feel amazing. My body was betraying me again - I felt like such a slut. Surely I couldn't be enjoying the feeling of my own brother raping me? I preferred girls, for fucks sake. I bit my lip to suppress another moan.

Without any warning, George picked me up and flipped me over, my hands and knees on the bed. He pushed his cock back inside me and began fucking from behind, grabbing my hair and using it as a handle to fuck me harder. With his free hand, he slapped my ass, and then reached around and started playing with my nipples again. I let out a quiet moan, followed by another, slightly louder.

Hearing my man's clearly excited him, as he spoke: "see, I knew you'd like it. I'm doing this for you, I love you so much."

I ignored his comment and tried to pretend like I had a choice. However I tried to resist failed as he was so much stronger than me. There was no point trying anymore. Maybe I could imagine that it was Maya with a strapon, not George.

But no. He was fucking me so hard and so violently, and had ignored my plees to stop. I knew that Maya wouldn't have been like that - she'd have been gentle and perfect.

Finally, I heard the words I know had been coming: "Oh fuck sis, I'm gonna cum!"

I made one last effort to pull myself away from him, to get his cock out from my pussy, but once again, I failed. He pushed my cock deep inside me and held it there, and I felt myself begin to fill up with his cum. I lay there, limp, resigned to my fate, as he moaned, clearly enjoying the feeling of cumming inside his own sister's pussy.

Once he was done cumming, he landed beside me in the bed, his deflating cock popping out of my pussy as he lay beside me and held me tight. He fell asleep pretty much instantly but it took me a while longer, as I was proceeding what had just happened.

Eventually though, I did fall asleep, and slept relatively soundly until I was woken up by the sound of my bedroom door opening the next morning.

Maya walked into the room, and her mouth dropped. Her eyes ran over the scene for a second, first taking in my nakedness, then George's, and finally, noticing the cum that was still dripping out of my pussy. My brother's cum.

The door slammed, and I heard her run.

----

Two weeks had passed since George had first forced himself upon me. I was covered in bruises from trying to resist him, and my period was late. He always insisted on cumming inside me, and I wasn't on the pill.

Maya had been ignoring my messages, and had apparently told all our friends at school what had happened. I checked my phone - it was full of messages calling me disgusting, or a slut.

The doorbell rang, and my dad shouted upstairs that it was for me. I retrieved the parcel and brought it upstairs. Finally, it had arrived - another love potion. I plucked a hair of my George's head, put it in the potion, and downed it.

He clearly wasn't going to stop, and I'd lost everyone else I cared about. He was all I had left, even though he treated me so awfully - I figured this was the only way to make the situation tolerable. My beautiful, sexy brother. With his amazing cock, which was all mine. Fuck, I love him so much. I need to feel his cock inside me, right now.

I stradled his naked cock and started grinding on it until it was hard. I reached down and kissed him gently, waking him up, then sat down on his cock, feeling every inch of it deep inside me. Fuck, this was heaven...

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