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GAY SEX STORIES

Sisterโ€™s Boyfriend

Sisterโ€™s Boyfriend

by Subfembitch
20 min read
4.67 (20300 views)
femboycheatingroughteasingpool
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(All character are 18+. This is a fictional story. There is sort of a forced sex scene in here so if you're not into that, here's your warning. There is also cheating involved too so if you're not looking for either of those things, please don't continue. Anyways I hope you enjoy reading it as much as I enjoyed writing it!)

This wasn't exactly planned. I mean I've always had a thing for my sister's boyfriend, but I never would even think about having sex with him. Well, that's not entirely true. I've imagined it a few times before. Okay more than a few, but I didn't think it'd actually happen. What can I say? He's stupid hot. He has this really pretty curly hair and like an absolutely chiseled face. His smile just awakens sometimes in me. The first time he gave me "that" smile, but heart dropped into my stomach. At the time I didn't think much of it, but considering what happened yesterday, he definitely meant to make me feel that way. My sister has been dating him for only a few months now, which makes me feel bad that I made him cheat on her. But in all fairness I've seen my sister bring him multiple guys while still dating him. So really I was doing him a favor anyways. Let's rewind a few days.

Last Thursday, my sister's boyfriend Johnny invited a bunch of people to his house to have a pool party. For some reason, that included me. We got along and everything, but I was just surprised he invited me. Considering I'm his girlfriend's brother I guess it makes sense, but it didn't to me. Maybe it's cuz I have a thing for him. I accepted the invite almost immediately. I had something planned with my friend, but I dropped it so I could go to the pool party. She understood after I told her what happened.

I decided to wear my 'too short for family gatherings' swimsuit. It's basically just yoga short shorts but as a swimsuit. I could've worn just a regular swimsuit, but whenever I saw him, I wanted to wear something a little extra. Plus, I've been told I have a nice ass. I don't really go to the gym, but I do some at home workouts sometimes. I liked having a big butt and thighs. Quick story time.

When I was in high school, I was on the swim team. This was the perfect excuse to have a reason to shave my body hair without any questions. That wasn't the only reason I did swimming, but it was a reason for staying. A few years ago I discovered femboys for the first time. At first I just found it very hot, but then I kinda decided to become one. It started off small with clothes that revealed more skin and shaving body hair, but it progressed really fast. Within a few months, a majority of my clothes were feminine. They weren't like dresses and super feminine clothes, but they were still cute. At least most of them were.

When I graduated high school I started posting pictures of myself. I seriously loved the attention I got from it. People were actually sending me money just to dress up. The money was nice, but honestly I just liked how many people thought I was hot. It didn't take long for me to start posting nudes and custom videos. The money I earned went into more clothes and a better photography setting. I basically transformed my room into a photo shoot. I had a tripod for my phone, whatever lighting color I wanted with strip lights, ring lights, tons of clothes, and some toys too. Around this time I started playing with makeup. Luckily my hair was long enough that I didn't even need a wig. I never really considered myself trans because I liked being a guy, but I also really loved being feminine. Maybe I'm gender fluid. But anyways this does have relevance with what happened.

Back to the main event. I wore the revealing blue swimsuit to my sister's boyfriend's house. Along with that I wore denim short shorts and a cropped white tank top. Of course I had to wear the matching converse high top shoes. I tried to stick with a pink, blue and white color scheme. When I showed up, there were probably at least 15 different cars parked around the house. It made a lot more sense to me why I was invited too. It seemed like everyone was invited. Given the hot summer day, it's no wonder there were so many people. Who wouldn't go swimming when it's like this? I decided to just ride my bike to his house. Funny that I made so much money from posting online, but I never bought a car. It was only a short ride anyways.

The gate was open to the backyard so I let myself in. Everyone around was either shirtless or in bikinis. Pool parties are a bisexual's best friend. Of course the people that were here were older than me, but only by a few years. A whole range of body types which was nice for me. I like a bit of chub on men, and the ripped ones too, and the twinks. Honestly, I'm just pretty gay in general. If it has a cock or boobs, I'm in. The girls were pretty much all wearing bikinis. Plenty of really hot women, but there wasn't as much variety with women sadly. A lot of them were of similar body type and size which is a little sad to me. I mean, they're all hot, but some variety is nice.

"Hey, Will!" I heard Johnny call out. He ripped me away from my people gazing.

"Oh, heya. Pretty nice party you got!" He walked over and wrapped his arm around me. Immediately, my face starts getting red.

"Thanks, bro. Glad you could make it. I hoped you would." Him holding me close like that was a little much for my brain to handle. His bicep squeezed my face and squished me closer to him. He was shirtless and holding a beer in his other hand. His hair was wet from swimming and made me a little wet being held like that. I couldn't even make out words after that. My heart was pounding and my face was very noticeably red.

"Oh uh, mhm, n-no problem." He was still holding me. His hand rubbed my shoulder.

"You good? Looking a little flushed." He chuckled.

"Oh mhm yeah," I awkwardly laughed. "Just kinda hot out and I took my bike here." I really wasn't that hot, I just needed an excuse.

"Oh shit my bad, well get in there then." He lets go of me and smacks my ass before walking away. I let off a yelp. Did he just? I covered my growing bulge. I quickly walked towards the pool and started getting undressed. I leaned down to take off my shoes and I saw Johnny staring at me. What If I just... I started slowly standing up and gave him a show. I slowly pulled down my shorts, swaying my hips back and forth showing off my ass. He took a swig of his beer and started making his way over to me. I quickly pulled off my shirt and threw all my clothes off to the side. I knew my boner was definitely completely visible now, so I started stepping in the pool covering my crotch. As I walked in, I put my hair up in a bun trying not to get it wet. By the time I was waist deep, Johnny started to run at me. I saw him going for a cannon ball, almost directly on top of me. The water splashed at me, soaking my entire body, including my hair. Damn.

He bobbed up from the water laughing. "Sorry about that bro. I saw my opportunity."

I splash water at him and give him a fake angry face. "I was gonna get wet anyways, might as well be from you." He smirked. Watching him as he flips his hair out of his eyes was something out of a movie. The way the sun beamed on him reflecting his beautiful body. He wasn't the most ripped guy ever, but what he did have was just right. He had a bit of a belly, but it was just enough for me. You could still tell he's muscular, but not like unhealthily like some gym bros. He did have some body hair, but mostly on his chest. It seemed like he took care of it too. He definitely trims it and shaves some areas. I break out of my eye fuck and decide to swim for the beach ball.

Johnny and I tossed the ball back and forth for a little while. "So, got any plans this weekend?" he asked.

"Um, no not really. Probably just do stuff at home."

"Cool, what do you think about hanging again tomorrow? Figured that tomorrow is gonna be hot again."

"I dunno, Cassy doesn't really like me and you hanging out."

"Well I don't plan on telling her." He scoffed, "She would tell you that, huh." He stopped tossing the ball and I could tell he was actually upset. She doesn't have to know, right?

"Maybe we can just keep it between us."

His face lit up, "Hell yeah that's what I want to hear!"

Little did I know at the time, this would be the lead up into me stealing her boyfriend. I probably should've just said no. There was definitely something between us. But I was just too excited to hang out with a crush.

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Friday:

The entire day leading up to me going to Johnny's house was really nerve racking for me. I wasn't really sure what to expect. I took a shower and decided to use my douche in preparation, just in case. In retrospect, that was a little too early to expect something like that, but who knows. It took me nearly 2 hours to decide what I wanted to wear. Of course I wore a swimsuit, but it was just a black speedo. It was a little risky wearing just that, but I want to tease him one way or another.I decided on black denim short shorts, black mesh crop top with a cropped black tank top on top, and black platform boots. I wrapped a little bowtie on my thigh and my silver heart earrings. Makeup was needed too. I was going really above and beyond for this. Really I didn't care at that point. I decided to use black eyeliner and put a little eyeshadow on and did my lashes a bit. Only added a little blush and a subtle red lip gloss. Looking in my mirror, I set my leg on the chair. My smooth legs were showing just enough skin. Guys love when they can see some bare ass, Johnny was no different. I took a picture and decided to tie my hair in a high ponytail. Now I was ready.

I got my friend Daniella to give me a ride. We've known each other since we were kids. She was the first person I told I was bi and the first person to ever help me with my makeup. Since then, we do so many more girly things together. Sometimes we go get our hair done, or our nails, or go shopping for cute outfits. We've been mistaken as a couple several times before, but really we're just close. We were teased in high school as being lesbians because of how often we hung out and the way we acted towards each other. Even then people considered me feminine, before I knew myself. Dani was the one that told me I should post pictures of myself if I wanted to. She'd definitely be the one to do something like that. Right when she turned 18, she moved away from her parents. She got tattoos, piercings, started wearing revealing outfits, going to parties, raves, you name it. Just really lived for herself. I really admire that about her. She's been my biggest inspiration for appearing more feminine and being comfortable in my own skin.

She rolled down the window as I walked to her car. Her eyebrow was raised and she looked me up and down. "Here to pick up a whore." I laughed and climbed in her car.

"Nice to see you too."

"Please don't tell me you started seeing that asshole at my work."

"Oh my god no way Dani. I just wanted to dress up today. For me." She nodded her head slowly while squinting at me.

"Uh huh, you're a terrible liar. Where am I taking you?"

"Johnny's house." Her jaw dropped and her eyes widened.

"Johnny?! Your sister's boyfriend? Absolutely not."

"Hey listen I know what it looks like. Let me explain."

"You better explain real fast. You know I'm no big fan of your sister, but even this--"

"She's cheated on him 3 times already just from guys she's brought home."

"Oh."

"Yeah, 'oh' is right." I explained to her that we haven't even done anything yet. There's just this tension between us and the feeling that something might happen. I was just hoping that this would speed things up a bit. I still wasn't exactly looking to fuck him, but I wanted to tease him and let him know I'm interested. In all fairness, I wasn't even sure if he likes guys, but if I looked enough like a girl maybe it wouldn't even matter. Half the guys that buy content from me are 'straight' anyways. Why is this any different?

By the time I finished explaining we were pulling down his street.

"So now what? Are you just gonna make him cheat?"

"No no no. Nothing like that. At least I'm not gonna make the first move." Her jaw dropped and shook her head.

"Will! You did not," she said. "You can't do that!"

"Okay, okay. Listen I'm not gonna fuck him. At least not today." She hit me and I started giggling. We pulled up to the house. She pulled out a comb from her purse.

"If you're planning on teasing, the least I can do is help you out. Face me." I obliged and rotated towards her. She started messing with my ponytail. She turned the rear view mirror towards me. I saw that she pulled some of my bangs out of the ponytail. "There we go. Guys love this look, trust me. It brings out your face." I turn my head both ways to see in the mirror. This is definitely better. She's so right.

"Thanks."

"Now get out whore." I laughed and got out of the car.

"Yeah fuck you too." She smiled and drove off.

This time there weren't any cars around aside from Johnny's pickup truck in the driveway. The front yard was still a bit of a mess. There were still some cans and garbage lying around. Looks like he still hasn't cleaned up yet. I walked up to the front door and knocked. There was no answer. I heard music coming from the backyard so I walked to the gate. It was open so I let myself in. Just then my nerves were starting to catch up to me. I took a deep breath and continued on.

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He was laying on a reclining lounging chair with sunglasses on. His skin was shining in the sunlight, presumably from sunscreen. I stood there for a minute taking him in. Something about him is just so mesmerizing. Maybe it's his chest with just the right amount of hair. Or his curly black hair. Or his beautifully soft and defined face. Or his caring but confident ways. I poked his shoulder. He was definitely sleeping. I looked down at his body and my eyes glued to what I saw: he was hard. I could see a fairly noticeable tent pointing up. It didn't look that big, at least not when it's covered. I reached down and pressed my finger against it. It bounced back in response. I giggled and tapped it, making it bounce again. Why am I doing this? I pulled my hand back and shook his shoulder.

"Johnny. Johnny, wake up. I'm here." I kept shaking until I heard him grunt. He took a deep breath then turned his head toward me.

"Oh shit, Jesse?" Maybe this outfit was a little too good.

"No it's Will." He immediately sat up and pulled off his sunglasses. His eyes scanned me up and down with his mouth wide open.

"Shit man I'm sorry, you just look a lot like your sister. Especially in that outfit." He once again looked me up and down.

"Yeah I get that a lot. You like it?" I turned to the side and raised my leg. I knew my ass was showing with this outfit. His eyes were locked onto my thighs and butt. Perfect.

"I, uh, I mean I thought you were a hot chick so yeah. If I didn't know you, I'd definitely think you were a chick." He chuckled and stood up. His bulge was now pointing towards me. I tried my best not to stare at it. "You want anything? A drink?"

"I would but uhm, I'm not 21 yet."

He raised an eyebrow, "Who do you think I am? I don't care. Don't you turn 21 in a few months anyways?"

"Mhm, two months."

"Let me get you a drink. I'll surprise you with something. Take a seat." With that, he walked off towards the sliding door. I watched every step he took. I don't know why I didn't notice before, but damn he has a nice ass. It's decently big for a guy. Usually you wouldn't be able to notice it unless they wear tight clothes, but I can see it's nicely defined. I was a little disappointed when he disappeared in the door.

I saw he already had a drink on the table. It looked like it was a coke, but knowing Johnny he probably threw in something like whiskey or rum. I don't normally drink very often, but I know from the times he came over our house we suddenly had whiskey or rum around the house. But then again the last time my sister invited him over was at least a couple months ago. Part of me feels bad for Johnny. My sister has brought home several guys in the past couple of months. I don't know if she's just stupid or careless to bring them to our house, but she clearly doesn't mind getting caught. I've thought about telling Johnny before, but I've always felt weird about it. Is it really my place to do that? Or maybe I should let things happen between us, let him have a bit of payback.

He walked back out of the house with a drink in his hand along with an extra towel. It looked like some sort of yellow drink? I wasn't too sure. My eyes moved down his body. I was a little sad to see his boner wasn't pitching a tent anymore. He handed me the drink, then sat down across from me.

"So... I wasn't uh expecting you until a bit later."

"Haha yeah sorry about that." I laughed awkwardly.

"No, don't be. I'm real glad you're here now. It gives us some time to," he paused, "hang." He took a large sip from his drink. I mirrored him. I was shocked by how good it tasted. It was sweet with a bit of a tropical flavor. Maybe pineapple and coconut?

"Woah, this is really good." I started drinking more.

"Slow down there. I put some real heart and soul into that." He chuckled and eyed me up and down. "I uh, don't think I've seen you in an outfit quite like this before. I've seen some good ones from you before, but this," he cleared his throat.

"You think it's good? I wasn't too sure if you'd like it." I was taken aback that I actually said I wore it for him. He smirked. "I mean, you know, uh--"

"Oh, I know. It looks good. Real good." He set his hand on my thigh. My heart pumped faster and my face reddened. His hand ever so gently caressed my leg, sending waves of goosebumps up and down my body. He gave it a little squeeze before taking it off me. My body missed the sudden feeling of anticipation of what could've progressed. He stood up and kicked off his shoes. "I'm gonna go for a swim, wanna join?" He held out his hand. Without thinking, I grabbed it and stood up. At this point, all I cared about was going further. I wanted him.

Suddenly, as we got closer to the pool, I realized I'd have to basically strip in front of him if I wanted to swim. For some reason, I was so ready for it when I first got here, but now, I'm nervous. Maybe it's just his charm that's got me this way. I show my body on the internet daily, but somehow this feels different. "Uh actually, I think I'm gonna sit this one out this time."

"Oh. Are you sure? Is everything fine?"

"Yeah, I'm just not really used to alcohol and I was thinking of maybe just getting a tan." I was trying to come up with every excuse in the book. I could tell he was a little disappointed. "But uh I could use some help with sunscreen." His face lit up right when I said that. Seemingly, he was more excited to help with that than to swim. I grabbed the bottle and started lathering my arms. In the corner of my eye I saw him staring me up and down. It was kind of exciting to have someone watching me like this. Maybe that's the whole 'camgirl' thing coming out. Something about being admired or appreciated in a provocative way stirs me up. I started on my legs and Johnny quickly walked forward.

"I can do that!" he offered eagerly. I raised an eyebrow at his willingness. Something on his face made him look almost hungry. I tossed him the bottle.

"Knock yourself out, pretty boy." I sat down and stretched my legs across to the other chair. He quickly walked over and sat next to my legs. His eyes were glued on my smooth bare skin.

The cold sunscreen was squeezed across the entire length of my leg. The contrast of his warm hands and the cool sunscreen felt so nice. His hands slowly massaged the sunscreen in my legs. It felt like I was getting a massage from a masseur with how thorough he was being. He swapped to my other leg and repeated the same lovely massage. By the time he was finished I was completely relaxed and turned on.

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