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Sex with my sister - Book 5: Accidental Incest



Copyright© 2015 by Arquillius


Author's Notes, Set up for the next Story, Etc.


Note Zero: I would like to start off saying that this story is purely fiction. The characters are not real in anyway shape or form. They are based off of my own imagination, and any similarities between them and any person past present or future is completely coincidental.

Note One: I'm sure that many of you have favorites when it comes to the SWMS series, and seeing that the fourth volume failed, I've moved on to volume 5. This involves a new set of characters. I will be writing this in similar fashion to what I've done in the past. If this becomes a book, it will only become one after the story is told and complete, I am not doing it like the Don't Change Series, or the Naked Soul Series.

Set up: This story could be considered a between-quil. It takes place in the years between SWMS 2 and SWMS 3. Therefore the characters can overlap with the other stories if I see fit. The Title, is exactly what the story is based on, an accidental moment of incest. How is it accidental? Well, we'll see about that. The main characters will be named as I write the story, and I'll do my best to have a gallery by the time Chapter 1 hits. But no promises. Please remember to not only visit the Gallery but review as well. I love communicating with the fans.

Chapter 1: Cave In

My name is Cyrus Zanger and I ... had sex with my sister. There I said it. The cat's out of the bag. Let the world know, I'm a sick pervert! But it wasn't really my fault. I know what you're thinking... "Well how can it not be your fault? You put your penis inside her vagina! You both let it happen! You're sick!" Seriously it was an accident.

Where to begin? Oh, the beginning, yeah. That's a good spot. Well. I'm 19 years old, and so is my twin sister, Emma, but we had just turned 18 when it happened. The incident that inevitably lead to our decent into disgrace. Yeah, I like that phrase. A decent into disgrace. That's exactly what it was. I'm not proud of it, and as far as I know neither is she.

But I'm getting off topic. You wanna read this story right? No? I'm sure it would help to prove the innocence in what happened.

Oh wait, maybe I should start in about myself, and my sister first. You should all know what we had together before our "incident".

As I said before, Emma is my twin sister. She's younger by about 3 hours. We grew up in a small city known as Gloucester City, in the state of New Jersey. We never knew who our father was growing up, as mom had only told us that he wasn't living with her anymore. All through childhood, and up until the "incident", we were really close. I mean REALLY close. We were best friends and did everything together. And I do mean everything we possibly could. We went to try everything together, and we kept a very small group of friends because of this. We just didn't like other people in our personal lives that much. In our first three years of high school, we dated a couple of people each, but nothing got serious, or so I would learn later. At first I thought my sister had gotten pretty close to her latest boyfriend, but it wasn't what it seemed. Our two closest friends were Casey and Tobias. Casey, uh, how can I describe her for you to understand? She was caring, but nonchalant, rude, but kind, a bitch, but someone you'd want as a best friend. Tobias's head was always in the clouds when he wasn't on the football field; like he was always someplace else. If he wasn't playing football, I think I'd find him under a tree watching the clouds go by.

Extracurricular activities really were part of our lives. During the school year, I was on the swim team. I was pretty fast in the water. Emma volunteered at the local animal shelter. She did always have a thing for pets. During our off seasons we spent time together watching movies in the basement rec-room of our house.

Our house was a 3 story house, light blue in color, and there was only one floor we never went to which was the attic. Mainly because, my mother, Julie, kept it locked off. She said there was stuff up there that we could get hurt from, but never explained what.

As for what we looked like, well, Emma and I both had black hair. Mine was short and usually combed down, and hers was long at the point of the "incident". I stood only a half inch taller than her at 5'10". I had a well-toned athletic body. My sister had a slightly toned athletic body, with a 32C cup breasts. I knew every time she changed her cup size because I usually got dragged to the store or Victoria secret with her to find a new pair of underwear or new bikini for her, and she'd ask me to find a certain color that would fit her. Frankly, at first, I found it a bit embarrassing, but got over it by the 11th grade.

Even though my mother had split our rooms up when we turned ten, my sister still found it pivotal to have my opinion on everything she wore, right down to her underwear. After I turned 13, I started to look at the situation with the mind set of it would help me to better find a girlfriend only because I would understand all the trouble they go through, and what goes through their mind on a daily basis.

So on to the story.

It was a hot summer Saturday, at about 10 am. Emma and I had walked down to the beach, planning on spending the day swimming, sunning and exploring the caves that we had been to a million times since we had discovered them as kids. When we arrived we laid out our blankets on the hot sand in the middle of the beach.

"So what do you want to do first?" Emma asked me as she pulled off her white t-shirt, revealing her yellow bikini top and skimpy yellow bikini bottoms. She did a little twirl for me. The skimpy yellow bikini bottoms gave her a bit of a camel toe, and didn't leave much to the imagination, especially on her ass, which was bare, minus the thin piece of cloth between her cheeks. "Oh, I want your opinion on my Bikini. I bought it while I was out with Casey." She said as she put her white t-shirt with her bag.

"It's fine. A bit revealing, but fine." I told her. "And I was thinking we'd explore the caves first." I said.

"Well I got it to reduce my tan lines. It's not like I do the spray on tanning like Casey, or go to a tanning salon." Emma said. "But yeah, I guess we could explore the caves first. I don't think we're gonna find anything cool like we did a few years back when we found that make out room, but let's give it a shot."

What she was talking about happened when we were fifteen years old. We had been exploring the caves for what seemed like hours when we stumbled on an area the size of a bedroom. There was an old mattress, and porn spread about along with some rubbers and some sex toys. Emma and I examined the sex toys, trying to figure out what they were for, as we had no idea at the time, and then looked over the porn which was only a bunch of playboys. We had talked for a while about what the area was used for, and the smell of the place, and of course what the playboys meant to guys.

"Yeah well, those caves are a bit used by older couples. I mean, we might find something good this time. There's that path to the right that we've never taken." I said.

"Alright, but if it gets too rocky, we gotta turn back." Emma said. "'cause I didn't bring heavy shoes, just these slipper things. By the way, did you bring the flashlights?"

"Yeah, I brought a couple." I said.

I pulled off my t-shirt and tossed it on top of my bag, then my shorts, revealing my blue and white speedo.

"And you called my suit revealing!" Emma teased me as I dropped my shorts on top of my bag. "Well enough of our fun, let's go!" She said excitedly. She ran off across the sand towards the entrance of the cave.

When we got to the entrance of the cave, there were a few new boulders by the entrance.

"Didn't those used to be on top of the entrance?" Emma said as she stopped in front of them.

I stopped just behind her.

"Yeah." I said. "Maybe some kids knocked them down, or one of the earthquakes knocked them down."

There had been a number of small quakes in the past year. Nothing that would take down a house, but enough to move some rocks around.

"Alright, well anyways, let's go inside." She said as I handed her a flashlight.

The two of us entered the cave, and switched our flashlights on. The cave was pretty dark, and only got darker as we got further from the entrance. We followed the right wall until we got to the entrance to the path we wanted.

"Here it is." Emma said.

"Alright. Just don't get scared." I teased.

"I won't." She said looking back at me with a smile.

We started down the path, and got a good 500 feet in the path before we felt a small shaking beneath our feet. Emma and I stopped.

"What was that?" She asked.

"I'm not sure." I said.

We continued on for another 800 feet before a stronger shaking struck us.

"That was an earthquake!" Emma said with a bit of a panic in her voice.

She turned towards me, just before another Earthquake hit. This one was way stronger, and before we could blink I found myself on the ground on my hands and knees over Emma's body. She was facing me, and there was what felt like a ton of debris on my back. My back was now in shooting pain, and it was taking all of my strength to stay like that. My legs were trapped and I couldn't move them an inch. Our flashlights were gone, and my eyes adjusted after the quake stopped, so I could see Emma's face.

"Cyrus!" Emma cried out. "Are you alright?" She asked.

I struggled to find the strength to acknowledge her. I opened my mouth, only for another quake to hit, knocking me down on top of her completely. My head was now against hers, and when the intense shaking came to a stop, I could feel her naked skin under me.

I could feel Emma still breathing under me when the shaking came to a stop and I was relieved that she was alright ... Wait ... I felt naked skin? Had I just thought that? There was no doubt in it, I could feel her naked chest against me. The shaking had obviously moved that bikini top from covering her breasts.

"Yeah, I'm alright." I said before trying to push myself off of her, but to no avail.

"Good." She said.

"Are you alright?" I asked.

"Sort of." She said quietly.

"What do you mean sort of?" I asked.

"Well ... um ... This is a bit embarrassing." Emma said to me.

"What is it?" I asked.

"You can't feel it?" she asked.

"What? That your top has come loose?" I asked.

"No, not that. I mean yes, but the other thing." She said.

"What?" I asked.

I could only guess that she was blushing brightly as she pressed her hips to mine to make me aware of what she had been talking about. I could feel her naked flesh against me. In the second quake, I had obviously popped out of my speedo at the same time her suit had come undone, and my penis was now semi erect, and pressing against her folds.

"Oh." I said. "I'm sorry Emma."

Frankly, if it had been any other girl in my life pressed naked against me, I would've been overjoyed to be in this situation. But at this point in my life, having sex with my younger sister wasn't on my to-do list, none the less, being naked on top of her.

"It's alright, but is there any way you can move?" She asked.

"The weight on my back is too heavy to move off of you, but maybe..." I asked.

I tried to move off of her, by sliding, but it caused my back a sharp pain so I stopped.

"Cyrus!" Emma said in a bit of a panic.

"What?" I asked.

Her breath was a little ragged. In trying to move off of her, I had slid my penis across her folds, stimulating her, but I wouldn't find out about this until later.

"I don't think you're going to be able to move." She said softly, trying to hide whatever it was that was bothering her.

"Why do you say that?" I asked.

I wasn't exactly focused on my body's reaction to what I had been doing, but now I could feel the difference. My erection had grown a bit harder and she was obviously getting aroused as well. I felt a wetness from her on my penis and a heat coming from her vagina.

"Oh." I said.

"Yeah. My body isn't exactly caring that you're my own brother." She said.

"Yeah, mine seems to be the same way." I said. "Should we try and lay here until our bodies calm down?" I asked.

"It's worth a shot." She said.

The thought was only met by another quake, this one was almost as strong as the last one. When it was over I heard a soft moan from Emma.

"Cyrus, I don't think our bodies are gonna calm down at this rate." She panted.

I could feel it now. The head of my penis was inside her. It was fully erect now, and throbbing for attention. She was panting in my ear.

"Emma, I'm so sorry." I apologized.

"For what?" She asked.

"I never wanted this." I said. "I never wanted for us to be in this situation."

"What? Trapped under a bunch of shit, butt-naked on top of each other, with you in position to have sex with me? Trust me, I feel the same way." Emma said. "But we can't exactly move. This isn't anybody's fault, Cyrus." She said. "And we could get lucky and a shake could free us before this goes any further."

"Yeah." I said.

We could only hope at this point. Honestly, I was hoping we weren't going to die first, then I was hoping a shake would free us enough for me to at least not be naked and in position to fuck my sister. There was indeed another quake, but it didn't put us in a better position, and after it stopped, I could hear Emma softly sobbing, and my penis fully inside her. The feeling was amazing. I was having it wrapped in a warm silky slimy cocoon.

"Emma. I'm so sorry." I said. "I never wanted you to be my first."

"Your first?" She asked, as she composed herself a little. "You were a virgin too?"

"Yes." I said. "Wait. Too? You were a virgin?" I asked.

"Yeah. I always wanted my first to be someone I knew I cared about. I just never expected it to be my twin brother." She said.

"Don't get me wrong, but I never expected it to be you either." I said. "Not that you aren't..."

"Attractive? You think so?" Emma asked.

"Absolutely." I said. "You're one of the hottest girls at school." I told her. "I know plenty of guys willing to give up their left arm if you'd look at them with the slightest bit of interest."

I felt her vagina clamp down on my penis when I told her that.

"If we weren't related I would've asked you out long ago." I said.

"You're so sweet." She said.

She turned her head as best she could and ended up kissing me on the neck.

"I'm glad you were my first." She whispered.

I felt a small thrust against my hips, then another.

"Wait, Emma, what're you doing?" I asked.

"Well, we've been pushed into this situation, so we might as well enjoy it." Emma said in a soft voice. "Besides, it's kind of hard to control my body when we're like this."

She was right, I had to give that much to her about the situation. It was taking all of my willpower to not start humping her brains out right there on the spot. Being inside her like that was driving me mad, even if it wasn't an accident. But still, I didn't hump her back. She continued humping me.

"Come on Cyrus, please? We may never get out, so we might as well enjoy ourselves before we start coming up with a way to get free." She said in a staggered breathe as she continued humping me.

I had never turned down my sister before, but I wasn't sure what to do. My mind was telling me that this was my little sister. The girl I had grown up with. The girl that I had snuggled on the couch with and watched bad movies with. The girl who had given me advice about the female mind and dating. But my cock was telling me to fuck her brains out. Telling me to cum inside her until my balls were empty and sore. She turned her head again and began sucking on my neck as she humped me, and finally I humped her back. I couldn't make too much movement, being trapped under those rocks. I wasn't pulling out of her for even a ¼ of an inch, but still, there I was, fucking my own sister. It felt wonderful, and she began giving off soft moans as I returned the love that she wanted me to. My breathing became ragged, as I got more and more into what I was doing. I became less focused on the fact that she was my sister, and more focused on the fact that she was naked and willing. The fact that she was practically begging me to fuck her brains out. I felt her clamp down on my penis and a hot liquid surround my penis. It was too much for me. I came. I came inside her. I felt my penis spasming repeatedly, shooting incestuous seed deep, deep inside her womb. My mind floated back to the surface. I was ashamed of losing control. I mean, she was my sister for Christ's sake.

"That was awesome. Better than I could've ever hoped for." She cooed in my ear. "I came so much."

"So did I." I said. "I'm sorry. I've never cum that much before."

"Why are you sorry? We just shared a wonderful moment." Emma said.

"I never, in a million years, wanted to have sex with you." I said. "Nonetheless cum inside you."

I felt so guilty about what we had just done. I wanted to die in that cave, until she said the next thing to me.

"Neither did I, but, I'm glad my first time was with you. We didn't just have sex under this rubble. We made love. I'll never forget it. And I don't want you to be upset about it." She said.

Before I could respond further, there was another quake, stronger than before. I thought for sure we were gonna die right there. I pressed my body tightly to hers, trying to block any more falling debris from hitting her. I didn't want her to get hurt. When it was over, I could feel the weight of the debris blocking my movement was gone. I slid my softening penis out of her, and she gave off a disappointed groan as I sat back on my legs. She sat up and fumbled around for the flashlights. She found one, and tried to click it on, but the bulb had blown. She tossed it over her shoulder and felt around for another one. She found it and clicked it on. This time the one she found lit up.

"Thank god." She said before handing it to me. "Hold this so I can get my bikini fixed." She said.

I pointed it at her chest, and could see her small erect nipples, which were only a couple shades darker than her skin as she untied and retied her top, tighter this time. Then I aimed it down at her vagina, seeing that she had hair on her pussy lips, but that was it. It was light and not too bushy. She adjusted it, and retied the straps.

"There we go." She said with a sense of satisfaction. "Now give me the flashlight so you can fix yourself." She told me.

I handed her back the flashlight and she pointed it at my groin.

"Wow, you're really hung." She said looking at my still half erect penis.

"Thanks." I said as I blushed bright red before fixing my speedo.

"No, I really mean it. I'm surprised with that monster you don't have the confidence to ask out more girls." She said.

"They just don't measure up." I said as I stood up.

"To what? What have you been comparing them too?" She asked as she stood up and dusted herself off.

"You want me to be honest?" I asked.

"Yeah." She said.

I turned away from her and we began walking back towards the entrance to the cave with her following right behind me.

"To you. I've been comparing them to you." I said.

"Why?" She asked.

"Because, regardless if you're my sister or not, you have all of the qualities I want in a girlfriend. You're smarter than me by a long shot, you're gorgeous, and your body is sexy." I said.

"Cyrus, I feel the same way about you." Emma said to me as we approached the entrance to the cave.

We stepped out into the light, and it actually hurt my eyes to see the bright world we had stepped back into.

"I think I'm over the beach for now." Emma said. "I wanna go back home."

"Me too." I said.

We walked back to where we had left our bags, noting along the way that the boulders had rolled onto the sand now, and pulled on the clothing we had brought with us. Then we headed on our path towards our house, avoiding talking about what had just happened to us. I still felt a bit ashamed, and I'm not sure what she was thinking about, but we just chatted about school, or random stuff until we got home.

So there it is. This is the truth behind it. We got trapped in a situation where we literally ended up being forced into our first time by Mother Nature itself. You can feel free to judge me now, as being honest, during that short time that my penis was inside her, and we became something more than brother and sister, I was truly enjoying everything about it. What happened next to us? Well, I'll go on in the story in the following chapters, but it's getting late, and I think I should get some rest.

Chapter 2: Temptation

Just about an hour after we got home, I had changed and gotten out of the speedo, and into a normal pair of black shorts. I was in the basement rec-room relaxing on a couch while reading a Sports Illustrated. The basement is nicely finished so that we can use it anytime we want. Mom had finished it when we needed an area to relax at age 11. She thought the basement would be the perfect place for us to sit back and watch movies or play video games.

I heard someone coming down the stairs but I didn't look up right away. There were only two possible people it could be. Either Emma or Mom were the obvious options. Emma slowly walked down the stairs, and soon was standing right next to me as I laid on the couch. I looked up from the Sports Illustrated magazine after she cleared her throat. She was in a loose white tank top and her bikini bottoms still.

"Can we talk?" Emma asked.

"Sure, talk away." I said before going back to my magazine.

"About today?" She asked.

"Already forgotten." I told her. "It never happened."

In truth I was trying to take my mind off of it, with little to no luck what so ever.

"That's not what I meant!" She said before grabbing my magazine out of my hand and tossing it over her shoulder.

She climbed on top of me and laid down enough so that she was sure that I wouldn't try to get up. She was hovering over me in a fashion where I could see clear down her shirt at her tits, and as soon as I did, my cock began to throb.

"I don't want us to forget it." She said.

She laid against me.

"We made love down there, and I don't want that to change things between us, but I don't want to let what we had in that cave go either. Does this make sense at all?" Emma said.

"Not at all, but I think I get your point." I told her.

She was stricken. I didn't understand why, but I felt the same way now. Having her snuggle up against my chest like she was doing, like she had a million times before, made me the happiest guy in the world. It felt so right, but at the same time, so wrong. Before I could say another word, she had stopped snuggling me, and had moved down to my shorts. She pulled them down, and my fully erect penis bounced into view.

"Well that didn't take me long at all to get hard." Emma said. "Guess it only took me showing off a little cleavage." She said before plunging it into her mouth.

I watched her in disbelief as her head bobbed up and down on my hardened member. It felt wonderful, almost as good as when I was inside her vagina. It was hot, and wet, and the way she licked my shaft and tip as she sucked was mind blowing. She began stroking it as she sucked, making me get close and fast. Then, without warning she stopped. She stood up, pulled my shorts up and turned away from me.

"If you want me to finish you off, I'll be in my room. I sure hope you want this as much as I do." She said before walking up the stairs towards her bedroom.

I sat up. I put my head in my hands. What was I supposed to do? Every fiber of my being was telling me to go after her and fuck her brains out. To make her mine. To make her never want another man. But there was that small part of my brain, in the back of my head, that told me no. It was my voice of reason, telling me that what I wanted, what we wanted was wrong on so many levels. It told me that she was my twin sister, and even if we had already done it once, it had been an accident, and we shouldn't look to repeat that in any way, shape or form. It told me that yes, I could find her attractive, but I must never touch her. It told me that I could try to measure my potential girlfriends up to her, as long as I didn't idolize her. But over all, it told me that I should tell her exactly what I was feeling, because it was wrong to lead her on.

And god how I hated that voice.

I stood up, and walked over to the magazine that was splayed open on the floor and picked it up. I closed it and brought it over to the end table next to where I had been sitting, and set it down. I then found myself walking up the stairs and towards her room on the second floor, as if on a death march. Soon I found myself in front of her door. I knocked on her door, slowly.

"You didn't come up here to fuck me? Did you?" She said through the door.

I leaned against the door with my back and slowly slid down into a seated position.

"No." I said before sighing. "I didn't Emma." I looked down at the floor. "I want to, god knows I want to." I told her.

"Then why?" Emma asked.

"Emma. I care for you. A lot. More than a brother should care for his sister, probably. We've been together all of our lives. You've been my best friend as long as I can remember. Going out for the swim team, becoming the person I have, it's all been to impress you." I started. "That's why I need to explain myself here."

"Explain yourself? What's to explain?" Emma said as I heard her sit on the floor in a similar fashion that I did.

"Why I can't make love to you. Emma. I love you. For as long as I can remember. I've always thought you were the smartest, sexiest and hottest girl I've known. I've tossed away possible relationships, just because you either didn't approve of the person, or they just didn't measure up to what I saw in you." I explained. "If I wasn't your brother, I'd be trying to be your boyfriend with every breathe I have. But that's the issue. You're my sister. And no matter how much I want what we had in that cave to continue for the rest of our lives, no matter how turned on you get me by just being near me, there's a voice in the back of my head that's screaming at me that this is wrong."

"Can't you just ignore the voice?" She asked.

I could hear the tears swelling up in her. She was about to cry, and it was my fault. The thought of making her sad was tearing me apart.

"You remember when we were ten and mom made us live in separate rooms? And we wanted to know why? And we couldn't settle for a simple answer, so she had to give us the talk?" I asked.

"Yeah." She said. "We sat there for hours as she explained to us everything she could about sex without having a complete panic attack."

"Do you remember what you said afterwards?" I asked.

"Yeah. I asked her 'If these changes may not start for years, why do we have to have separate rooms now?'" Emma told me.

"Yeah. She went red faced, and said 'because I said so, that's why!' trying not to scream in frustration." I said. "I think it's because she didn't want something like this to happen between us." I said.

"She also told us that we should only have sex with someone we not only love with all our heart and soul, but someone we trust with our lives." Emma pointed out. "I know you're that person for me."

"Emma. I'm not so sure of myself. I need to figure this whole thing out, and why my mind is still telling me not to, when it's taking every ounce of my strength to not fuck you again. I feel like that rubble is still there, trying to push us together." I said. "But I need to be sure of us before I do anything like that." I told her.

"So what're you saying?" Emma asked through the door.

She pulled open the door and looked me in the eyes. She was completely naked, sitting there next to me. I don't think she'll ever know how much strength it took me from not just pushing her to the floor and fucking her brains out right there.

"Are you saying that you want to take it slow?" She asked.

"Yes. I want to see if we can. I want to make sure it's not just a physical thing between us." I said as I turned and looked into her eyes.

Emma threw her arms around my neck, giving me a big hug. Telling her what I felt had eased a bit of pressure from the back of my mind, and having her hug me felt wonderful.

"Alright." She said. "We'll take it slow."

She pulled back a little and looked down at her naked body.

"I ... should ... get dressed." She said.

I smiled at her, as I looked into her soft blue-green eyes.

"Yeah, it might help. I doubt mom would want to see you running around naked when she gets home." I said.

"Take it in now, Cyrus, because you may not see me like this again for a while." She said before she got up.

She flicked her hair over her shoulder, very slowly turned away from me and as I stood up, she closed her door. I walked to my room and went inside. I turned on my desk light and walked over to my door and closed it and locked it. I sat down at my computer. I turned on my computer, opened my desk drawer and pulled out a bottle of lube. I took off my shorts as my computer booted up, and the opening sound for Windows played. I brought up my video files, found a nice porn video, killed my sound and turned on the video. I started jacking off, using the lube. As I watched the video, my thoughts weren't on the video in front of me, but my sister, and the feeling of her giving me head, and then I played out mental images of me fucking her. Before long, my balls emptied for a second time that day, coating my hand in the semi-transparent liquid that was my own cum.

After recovering from my solo session, I cleaned up, put on a fresh outfit, and headed down stairs. My mother had already arrived home, and dinner was being made by Emma. Neither of us told my mother what had happened to us that day. Frankly, we didn't know how to tell her at that point, or if she could take it. After dinner, Emma and I retired to the rec-room downstairs to watch Robin Hood: Men in Tights, followed by Space Balls. Emma, in a pair of shorts, and a loose fitting but short t-shirt, without a bra, had snuggled up to me for both movies. The only reason I knew she went without a bra was the fact that I caught a glimpse of the underside of her tits when she stretched. After the second movie, she gave me a sisterly peck on the cheek, and walked up to bed, saying that she was exhausted from the day. After watching History of the World part 1, I, too, was ready for bed. I shut off the TV and DVD player, and made my way up stairs to my room. As I walked down the hall, I caught Emma in a towel just outside her room. She just gave me a playful smile and a wink before going in and closing her door.

I staggered to my room and went inside. I laid down on the bed without turning on the light, and soon I was out like a light. I dreamt that night of a date that I was having with Emma, a picnic in the park. She was wearing a red sun dress and we were enjoying the day. It seemed so perfect, there wasn't a cloud in the sky, and we were talking like the old times. It was all so perfect.

When I awoke the next morning, Emma was hovering over my bed. She was in a loose yellow tank top, and a pair of black shorts. I didn't see any bra straps again, and the fact that her erect nipples were pressing against the fabric made the fact that she wasn't wearing a bra again. She smiled at me as I opened my eyes.

"Good morning, sleepyhead." Emma said to me.

"Emma? What're you doing in here?" I asked sleepily.

"Just wanted to let you know mom wants to talk to you as soon as you get up." She said as she bent down and placed a kiss on my cheek.

When she did, I could smell a distinct smell on her. It was the same basic smell that I caught in the cave after we were freed.

"Emma? What's that smell?" I asked. "I thought you showered last night."

"I did." She said.

"Then why?" I asked.

"I was masturbating before you got up. I'm sorry, I have to relieve my urges, since we're taking it slow, there's only one way I can do that." Emma told me.

"Wait, did you do that in here?" I asked.

I was kind of turned on to hear her admit that she was doing that, and kind of hoped that she was doing it while watching me sleep.

"No, I did it in my room." She said. "Why?" She asked.

"No reason." I said, blushing.

My blushing caused her to laugh, before she took a seat in my computer chair. I sat up in my bed.

"So, this is kind of interesting." Emma said. "Anyways, Mom wanted to ask you about yesterday."

"Did she talk to you?" I asked.

"Yeah. I only told her that we felt the quakes at the beach. I didn't say anything more." Emma said.

"Alright." I said. "I might as well get up and talk to her."

I pulled off the covers, and saw Emma blush brightly. I looked down to see my morning wood at full mast.

"After I use the bathroom of course." I said, looking back at her.

She kept her eyes on the front of my shorts, on my erection. It was kind of thrilling, actually. She licked her lips. I knew she wanted it inside her, in her mouth, in her pussy. She wanted to taste and feel it again, and it was taking all her strength now to hold back from tackling me and sucking or fucking my brains out. I got up and walked out of my room to the bathroom. After peeing, which calmed my morning wood, I staggered down stairs to the kitchen. I poured myself a glass of orange juice and walked into the dining room, where mom was sitting going through some paperwork.

"Hey mom." I said.

"Oh, Cyrus! Good morning!" Mom said.

My mother was 36 years old. She had short black hair. She was wearing a turtle neck that hugged her tits, which were about the same size as Emma's. Her body could easily pass for a teenager's. She also had on a pair of jeans, and had on her reading glasses. She took off her glasses as I sat down across from her.

"I was so worried about the two of you yesterday, during the quakes. Where did you two go?" Mom asked.

"We were at the beach, but I'm betting Emma told you that." I said.

"Yes. But she didn't tell me what you were up to." Mom said.

"That's because she's still in a bit of shock about it all. We were exploring the caves, and the first quake trapped us in the cave, blocking off our exit. The last one opened up a gap enough for us to squeeze through." I told her.

I wasn't exactly lying. We had been trapped and couldn't get out. But I wasn't going to go into intimate details about it. My mother's eyes had widened at the news.

"I don't think we'll be going in those caves again. I was thinking that maybe I'd go petition the city to close them off or put up a warning sign." I said.

"Yeah, we wouldn't want any kids getting hurt in there." Mom said before again putting on her glasses. "So I'm guessing the two of you are just gonna stay in today?"

"I know I am. I'm not sure about Emma." I told her.

"Knowing her, and your thoughts about what she's thinking, I don't think she'll be leaving your side for the rest of summer break." My mom said. "I'll be picking you two up some new movies on my lunch break tonight."

"Okay, mom, anything else?" I asked.

"Yeah, I'm working late again tonight, but I don't want you two staying up as late as you did last night. I don't like you two sleeping that late." She said.

"Alright mom. I'm gonna go surf the net ... maybe I can talk Emma into making me breakfast." I said.

"I've gotta head to work. Remember, I don't want you two staying up too late." Mom said.

"Alright mom." I said before getting up.

I walked out of the room and back up stairs. I walked to my bedroom to find my door was closed. I opened it and entered to find Emma sitting at my computer, shuffling through my porn and playing with herself. Her shorts were on the floor next to her. Her lower half was exposed and she was using her left hand to tease her clit while clicking and scrolling through my folders. It was hard not to do anything right there on the spot. I, instead, closed my door quietly, and walked up behind her.

"Enjoying yourself?" I asked.

"Cyrus, thank god you're here. This is nuts. I haven't been able to get off since the cave." She said as she looked over her shoulder at me while continuing to tease her clit. "Please!"

"I told you Emma, I wanted to take it slow." I said. "But what prompted you to start checking out my porn."

"I wasn't going to, but when I turned on your screen, the folder was open, so I thought I'd look through it." Emma said. "You weren't lying when you said you were physically attracted to me. A lot of these girls have my same body type, or look a little like me."

"So, you think it's alright to go through my porn?" I asked.

I reached down to her sides and began tickling her. She got to her feet trying to run away from me as I continued tickling her. She pulled away from me and ran down the hallway. I caught up to her at the door to the attic, and grabbed ahold of her. She grabbed the handle as I picked her up, turning it and opening it. I kissed her on the lips. Not a brotherly kiss, but a passionate one. Our first kiss. It was something special, something meaningful. There was no voice in the back of my head telling me it was wrong this time. In fact, it was saying something different. Telling me that it was perfect. Rooting us on. When we broke the kiss, she smiled at me.

"Wow." She said.

"Whoa." I said as I noticed the opened door.

The attic had never been left open and the fact that it was this time peaked our curiosity. I set down Emma, and we both just stared at the door.

"What do you suppose could be up there? I mean, she told us as kids that whatever was up there could hurt us when we were kids, but we're adults now." Emma said.

"I know." I said. "But I don't have the foggiest idea on what could be up there." I said.

"Do you think we should go and investigate?" She asked turning towards me.

"Yeah." I said as I looked into her eyes. "But first." I said before pulling her into another passionate kiss.

Again, it was wonderful, and this time, we parted our lips and let our tongues explore each other's mouths. Our hands explored each other's backs as we enjoyed the second kiss. Having her half naked in front of me had me aroused, but this was helping me to fight the urge of bending her over right there and take her from behind. We soon broke the kiss, and she just snuggled up to my chest.

"That was the best kiss I've ever had." Emma said.

It was a moment before she regained her senses.

"But what do you think, should we head up there now?" Emma asked.

"Don't you want to get dressed first?" I asked.

"No. I'm too curious of what we may find." Emma told me.

She, of course, was saying exactly the way I felt. I wanted to know what was so dangerous about the attic. But sadly, that's a story for the next chapter, as again, it's getting late.

That was a preview of Sex with my sister - Book 5: Accidental Incest. To read the rest purchase the book.

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