Bitch Step-Sister

I'm Jake and in short, everything went great for the first 15 years of my life - parents, friends, school and family. Things changed big time about 3 months after I turned 15 and that's when dad suddenly announced that he would be leaving my mom because as he put it, "I've fallen out of love with you and in love with someone else."

Mom and I were both surprised and shocked when in less than a week, he'd moved out and gone to another province with his new 'love'. It took a few months for our lives to settle back down but eventually everything smoothed out and if anything, mom and I became even closer. It took a couple of years but mom eventually started dating seriously again and after a number of failed dates, she finally met a guy who she really liked. Over the next few months, they dated regularly and I got to meet his two daughters, Diane and Denise. They were identical twins, at least by looks but even from the first time I met them, I noticed that Diane seemed a lot quieter, more friendly and generally nicer than her sister. Denise was a little taller and styled her hair a bit differently but other than that, the only noticeable difference was that Denise had blue eyes where Diane's were more of a green colour. Both had long, blonde hair, great smiles, well built, nice asses and likely from playing sports, both were in good physical shape.

Shortly after I'd turned 18, one night mom came home from her usual date with Roger and told me that they'd been talking about us moving in with them and she wanted to know what I thought of it. I'd been to Roger's house and it was at least twice the size of ours with a hot tub, garage and what would likely be my new room was likely twice the size of what I had right now. Plus, I'd be able to stay at the same school so wouldn't lose any of my friends so I figured that it sounded pretty good and mom was obviously happy so I said sure.

By the end of the month, we were pretty much moved in and our old house was up for sale. It didn't take long after moving in that I realized that while Denise and Diane were ok when it was just a visit, they were hell to live with. They were just over a year older than me and both of them seemed to enjoy getting me in trouble with Denise being the worst of the two. In fact, a few times, I had the thought that she'd put Diane up to getting me in trouble. Any time I left the slightest mess in the kitchen, didn't pick something up or didn't get a chore done, they made sure to let their dad know. What made it even worse was that often it was their mess or something they hadn't done but still blamed it on me and I'd get in trouble for it. It didn't seem to matter how much I could explain, their dad always sided with them and mom usually didn't say much. Whenever I had a girlfriend, it got even worse with them ratting me out any time I got home late and a couple of times they even made sure there was a thong or something left in my room or mom's car when I went to pick up a date which led to some heated explanations, a few arguments and even a break-up or two.

Of course, if I told mom or Roger about anything they did wrong, they always had a good reason for it and never got in any trouble. We weren't supposed to have dates over unless mom or Roger were home but they regularly did so one time I snuck a few pictures of Denise and her boyfriend making out in the tv room and I ended up getting in trouble and losing my phone for a week for 'spying' on them but she just got a reminder to not have boys over. That was when I made up my mind to get enough 'evidence' of things they'd done that at least mom would have to side with me and likely so would Roger.

I kept a diary with every time they stayed out late, had dates over, drank at home and occasionally grabbed a toke or two out in the back yard. Whenever possible, I got pictures that backed up what I was saying or at least an audio recording of them with a boyfriend or coming in late and obviously drunk. At first the two of them seemed a little surprised that I'd quit telling on them but nothing was really said except for Roger's "Well, I'm glad to see that you're finally getting along better with your stepsisters."

Ya right! One night I overheard Denise telling Diane that when our parents were away that weekend, she was going to have her boyfriend over and hoped I had a date so wouldn't be there. I didn't, but made sure that I let it slip that I'd be going out and could easily see how happy Denise was when she heard it. I'd gone as far as to order a couple of 'spycams' from Amazon and had hidden one in the TV room on a few occasions and while I'd considered it, I hadn't put the other one in one of their bedrooms. Knowing she was going to have her date over though, I managed to set it up on her shelf somewhat hidden by a couple of her stuffed animals. I did go out, but only long enough to go back along the fence, grab the chair that I'd put there and got comfortable with my laptop. Once I logged in, I was able to see both cameras as well as record what was happening.

While I hoped to catch Denise doing things that she'd get in trouble for, I did enjoy the view when she came back to her room from the shower and dropped her towel. Sure, I knew they were both well built and in good shape but this was the first time I'd seen either of then naked. Based on girlfriends I'd had, I guessed that her chest was about a 34D but even though it wasn't a close image, I was pretty sure she had at least one and maybe both nipples pierced. That was a total bonus because their dad had said numerous times that only sluts got anything pierced below the neck. I was kind of hoping she'd play with herself or something but instead she just went about getting dressed and putting on her makeup. Just after she was done, the doorbell rang and while I couldn't see anything initially, a few minutes later her and her current boyfriend came into view on the living room cam.

For the next half hour or so, they kissed, touched, groped and he even managed to lift her top up over her braless tits but she wouldn't let him take it all the way off. After some more heavy petting, she unzipped his pants and pulled out his cock. He was already hard and after a bit of a hand job, she said something to him that got an immediate nod. I wasn't sure what she'd said because the audio pickup on the cam wasn't that good. When she moved to kneel on the floor in front of him, I was pretty sure what she'd said because the next few minutes were spent with her stroking and sucking his cock. She was really giving him a good sucking and taking almost his entire length into her throat. Just as I was wondering if she was going to get him off, his hips arched up and his head went back. The audio was good enough that I clearly heard his groan as he filled Denise's mouth with his cum.

To my surprise, just as he came, Diane came into the picture and she seemed pissed. "What the hell are you doing? You know that dad doesn't like you having your dates over and he'd be really pissed to know you were sucking him off down here. I can't wait to tell dad cause you're going to be in so much trouble."

Denise's date apparently decided that then was a good time to leave so after tucking himself in and zipping up, he headed upstairs and it was only a few seconds later that I heard the front door open then close again. I looked back at the camera and was expecting a full out argument and maybe even a fight between the two of them but instead I was totally surprised to see Denise giving Diane a qucik, 'come here' motion with her finger and then pulled her close and gave her a long, passionate kiss. While I couldn't be sure, it totally looked like she'd kept his cum in her mouth and was sharing it with her sister. When Denise finally pulled back, that was confirmed when she said, "That was good acting bitch! I almost believed it myself. How'd you like your first taste of cum?"

"I didn't, it was gross!"

Denise just laughed then said, "Well, I enjoyed it so odds are it's going to happen again. Unless of course you want me to fill dad in on exactly what happened last year?"

Just the way Diane hung her head and shook it 'no' made me wonder just what Denise was talking about but nothing more was said. I know I spilled a lot of cum over the next week or so as I watched that video over and over. A few weeks later, I heard her and Denise arguing but couldn't make out much other than the final, "I guess you want to taste some more cum?"

Sure enough, the next time mom and Roger were going to be out, Denise innocently asked me if I was going to be going out that evening and I really had to try not to laugh as I said that I had a date and might be home a bit late. I set things up exactly the same as the last time and sure enough, her boyfriend came over but this time they went straight to her bedroom. Things moved a lot quicker than last time and it wasn't long before both of them were naked and she was sucking his cock like it was candy. I was fully prepared for a repeat of the last time but instead, she stopped, rolled onto her back and spread her legs. He quickly took the hint and was soon giving her a hard, fast fucking. It didn't take long before he was obviously cumming and when he rolled to the side, they spent a few minutes hugging and kissing. Then Diane burst into the room yelling, "Dad just texted, she's got a migraine and they're on their way home!"

Denise's boyfriend was dressed and gone in record time then just as I was wondering where things were going next, Denise looked at her sister and said, "Lay down!"

When Diane complied, Denise moved so she was straddling her face and I'd gotten lucky with the camera placement because I could even see some of the cum drip from her pussy onto Diane's mouth before she moved closer and her pussy was right on Diane's mouth.

As Diane licked, Denise said, "Damn, you're better at eating pussy than most of my boyfriends and none of them will eat me after they cum. I wish I'd thought of this sooner!"

She stayed where she was and as Diane licked her, Denise started playing with her own nipples and it wasn't long before she let out a loud moan and thrust even harder against Diane's face as she came. When she finally lifted herself off, she looked at her sister and said, "You're a mess, you'd better grab a shower before they get home but not until I've had one first."

While Denise showered, I wasn't sure what Diane was doing until I heard what sounded like someone puking in the downstairs bathroom right by where I was sitting outside. Just for fun, I stashed my laptop temporarily and walked back in just as Diane was coming out of the bathroom. She looked like hell and when I asked what happened, she said she was likely coming down with something. I couldn't resist a quick, "Maybe it was just something you ate" but kept going to my room before she could say any more.

By now, I was starting to realize that it wasn't both of them that were bitches, only Denise but Diane just seemed to do whatever her sister wanted. One night I'd been watching TV and when I went upstairs, I could hear them talking, or rather Denise talking and Diane not saying much. I stopped to listen and was surprised when I heard, "Who knows, you might even enjoy it!"

"I doubt it! I've never had a cock in my ass and don't want to. I'm pretty sure it'll hurt and not feel as good as one in my pussy does. Have you ever been fucked in the ass?"

I could make out Denise chuckle before saying, "Hell no! But John really wants to try it so I figured this way he could get what he wants without me getting something I don't want and after, you can tell me how it felt!"

"Why do you have to be so damn mean to me?"

"Do you really need a reminder, or maybe better yet I'll just let dad now how 'not so innocent' his baby girl is...."

"No! Don't! I don't want to but I'll do it."

"That's better! Now we'll just have to find a way to make it happen."

Thankfully, I moved back and out of sight before Denise came out of Diane's bedroom and she didn't see or hear me. I thought about it for a few days and then one evening when Denise was out, I knocked on Diane's door and asked if we could talk. I don't think I'd ever really talked with just her before and initially we were both a bit nervous until she finally asked what it was I wanted.

"Well, it seems we've both got a common problem."

"What's that?"

"Your sister. She's been a bitch to me since I moved in and at first I thought it was both of you but lately I've figured out that it all seems to come from her. If you say a word of this to her, I'll totally deny it but I've been writing and keeping pictures of anything that she's doing that she shouldn't be...drinking, toking, having boys over, coming home late/drunk, whatever. I know she's made you do some things you didn't want to do and overheard her talking to you the other night about something you really didn't want to do but she's obviously got some sort of hold on you to do those things. I was wondering if you wanted to team up and make things better for both of us."

I could see her thinking about what I said and then suddenly she threw herself face down into her pillow and started crying. I really wasn't sure what to do so I just moved beside her and gently rubbed her back until she finally stopped and relaxed. When she sat back up, she just stared at me for a few seconds then said, "I know we haven't exactly gotten along but you have to promise not to tell anyone about this."

"I promise!"

She took a deep breath and said, "I never thought so, but Denise always said that Dad liked me more than her and before you moved in, she was always the one that got in trouble. Honestly, it was just because she did more stupid stuff. Then just before you and your mom moved in, her and I were out at a party and I got really high and drunk. I don't really remember what happened but someone apparently videoed me having sex with two guys, one of them was Denise's boyfriend at the time and Denise got ahold of the video. When I woke up the next day, I was in my own bed but my pussy was really sore, there was a lot of dried stuff on me that looked like cum, I had a bunch of hickies all over me and even my nipples hurt. Ever since, she's used it to make me do things I didn't want to do including being mean to you."

As she talked, I thought she was going to burst out crying again but she held it together until she was done and then a few tears ran down her cheeks. "I'm pretty sure dad would throw me out of the house if he ever found out what I'd done."

I thought about it for a few seconds before saying, "There's no way of proving it now, but it really sounds like someone slipped you something at the party and your sister took advantage of it. There's no way of changing what happened but what if you got something on your sister that was just as bad or worse?"

For the first time in a while, I saw a faint hint of a smile before she said, "I'd really like that but how could we do it? The worst she ever does that I know about is has sex with her boyfriend."

I didn't tell her that I had video of Denise kissing her with a mouthful of cum or squatting over Diane's face and making her lick the cum from her pussy. "Let me think about it and we'll see what I can work out. Until then, neither one of us says anything to anyone about this...agreed?"

I was expecting a simple yes but instead I got a long hug followed by "Yes, thank you!"

Over the next few days, I ran several ideas around in my head and finally came up with one I thought would work. When I filled Diane in, she hugged me so hard that I almost had trouble breathing and then gave me a quick kiss on the cheek. I kept checking the recordings every time Denise had her boyfriend over I finally heard her tell him, "I know you want to try anal with me but I really don't want to do it. I mentioned it to Diane and she told me she loves a cock in her ass so I asked her if she'd be interested in letting you do it. We look enough alike that I'm sure you could pretend it was me if you really wanted to."

What a lying bitch! I knew that Diane hadn't said anything like that at all. After only a few seconds, I heard John saying, "As long as you're ok with it then I'd love to."

I couldn't make out the next bit of the conversation but then heard Denise saying, "Here's a thought, do you think a couple of your buddies would like a shot at her ass too?"

"Hell ya! If she likes anal that much then I'm sure a couple of my buddies would love to poke her there."

When I talked with Diane later, she was totally shocked and pissed because her sister had told her it would just be John but was now planning on it being a mini anal gangbang. As it turned out, mom and Roger decided to go away for the weekend. Of course, they made sure they told us that there were to be no parties or anything like that while they were gone. While I was a good student who didn't get into any trouble at school, I had a few friends who did, so it wasn't hard to get what I wanted. Once that was done, I filled in the rest of the details and Diane was totally in favour of the plan. I'd already heard from a few of the guys that John was a little pissed at how bitchy Denise could be and that she wasn't as good in bed as some of the other women he'd dated and he was thinking of breaking up with her so I figured I could use that to my advantage too.

For the rest of the week, Denise was really nice to me and kept asking if I'd be going out on the weekend. At first, I told her I didn't think I would but toward the end of the week, I told her that a few of my buddies were getting together for a gaming night and I might go over there but wouldn't be late back because I didn't want to get in trouble. With her best fake smile, Denise said, "Don't worry, as long as it's just a bunch of guys playing computer games it's not like it's a party or anything. Roger and your mom won't need to know if you're a bit late back."

I did my best to sound grateful and after mom and Roger left Saturday morning, Denise stayed friendly and even offered to do a few of my chores so I could go to the gaming party a little earlier. To thank her, I pulled out a few of my beer stash to share with the pizza we'd ordered and then I headed out. I gave it about 30 minutes and then snuck back into the house. When I got to my bedroom, Diane was sitting on the bed waiting for me and gave me a big hug. "So far so good!"

From there, we went to Denise's bedroom and Denise was there but the pill I'd put in her drink was obviously working because she just grinned at me and said, "You're not John but you look pretty good!"

She didn't complain when I piled a bunch of pillows on the bed, got her to lay over them and then tied her hands to the ropes that we'd already put there. That got a slightly slurred, "What's those for?"

"Just a little something different to turn John on, is that ok?"

"Sure, he said he was going to be really horny tonight!"

That's when Diane grabbed Denise's phone, unlocked it and sent John a text that read, "Hi, I've been thinking about it and realized I haven't been treating you as good as I should have. To make up for it, I've changed my mind. Instead of fucking Diane's ass tonight, how about you tell the other guys it's off and you can come over and fuck my ass instead?"

We weren't surprised to get a quick, "Sure!" back from him so Diane sent back, "I've had a few tokes to get ready and I'll be waiting in my bedroom, head down and ass up, hanging onto some ropes and there's a gag laying beside me if you don't want me to make too much noise!"

"Wow, sounds awesome! What about Jake and Diane?"

"Jake's out gaming with his nerd buddies and Diane went shopping."

"Perfect! Be there in a few."

When I heard the front door open and close, I put the tube of lube beside her on the bed before moving to the spot I'd cleared in the closet so I could get a good video of everything. At Diane's insistence, I'd made enough room for her too because as she said, "I deserve to see this first hand too" so she slipped in beside me and watched from there.