My Loving Step Sisters (Part 3)

Hi, everyone. Thank you for being patient. This will be the last part for a few weeks. I’m going to be busy for the next few weeks, so I won’t have much time to write. Just know, in my absence, the series isn’t over, and that I’m probably working on part 4 in my spare time!

NOTE: Jax is 18 now. She’s still almost a year younger than Matt and Katie, as they will turn 19 soon. Thanks for your understanding!

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Chapter 3: Track Day
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“You WHAT?!” Katie screamed, covering her mouth with her hand. Jax and I were standing in front of her the morning after my night with Jax. The Fourth of July was on Saturday this year, so today, July 6th, is the day people headed back to work. Because of that, my dad and Jill were out of the house. It was just the girls and I, and of course Ben.

“Quiet down, Katie. You’ll wake up Ben.” Jax shushed Katie, receiving a scowl in return. We’d just told her about the night of fun we’d had, and she hadn’t taken the news lightly, as you can see.

I had basically dropped the whole “this is wrong” thing. Do you remember how I compared the light and dark sides of my brain to Japan and the United States during World War II? Well, after those nukes were dropped, the light side hadn’t died out. They were being held hostage. Now they were locked away somewhere in my brain. I could still hear the light side calling for me, but the sounds of the dark side kept me from getting distracted and releasing them.

If that makes any sense.

I nodded. “Yeah, we can’t have Ben listening in on this.”

Katie gave me an oblivious look. “Really, Matt?!” She said, stomping her foot. “Just yesterday you spewed shit about how wrong it would be.”

I shrugged. “I don’t know… something changed, I guess.” I said, not really knowing why I actually was fine with this now.

Katie scoffed and stomped off, presumably to her bedroom. I sighed, and walked over to the sink. Jax slowly strode up to me placed a hand on my hip. I looked in surprise as she gripped my cock through my shorts. “More fun for me, I guess.” I turned and looked into Jax’s smiling face, her dimples being accented, when I noticed Ben walk in behind her.

“Hey, Ben.” I said, swatting Jax’s hand off of my cock. She smirked at me and sipped her coffee. I hid my semi from Ben.

Ben yawned, stretching. “What was all of that yelling about?” He said, scratching his head.

I shrugged. Jax piped up. “Don’t worry about it.” She said, sitting down on the table. I saw her take another sip of coffee, bringing the green mug to her mouth. Just remembering my cock being in that mouth got me hard.

Ben shrugged. “Whatever, if you say so.” He walked to he fridge, pulling out the juice. I took that second to go talk to Katie. On the walk to her room, something hit me. What would we do if someone found out about the girls and I? I didn’t know.

I knocked on Katie’s door, waiting for a response. “Go away.” She said, which just made me knock again.

I heard a sigh, and the click of her door unlocking. She swung it open and frowned. “What do you want?”

I flicked my head, motioning her to go into her room. “I want to talk.”

She sighed again, opening up her door. “Fine.”

I stepped into her room, and her door closed behind me. I took a seat on her bed, and she sat next to me. I put my arm on her shoulder. “I’m sorry that what happened between Jax and I happened…” I said, hoping she’d accept my apology.

She nodded, sighing. “I know… it was selfish of me. I should be the one apologizing.” She put her head up against my shoulder. Her hair smelled like shampoo; she must have just taken a shower.

“No, it’s alright… I understand…” I said, rubbing her shoulder.

She suddenly looked up at me. “Why did you change your mind?” She said, fidgeting. “About… Jax and I?”

I shrugged. “I don’t know. Like I said before, a switch flicked on in my head and I couldn’t control myself.”

She nodded. “I see…” She slowly shifted her gaze to my shorts, my erection in view. “Whoa… why are you hard?”

I blinked, unaware I was even still hard. “Oh, uh… yeah, when you left, Jax grabbed me there and I got hard.”

She frowned again. “She tried to go at you again? I haven’t even gotten to yet.” She immediately blushed. “I mean… if you even wanted to. I wouldn’t really be surprised if you didn’t.” She said apologetically, pushing her jet black hair over her ear.

I was dumbfounded. “Katie… what are you talking about? You’re beautiful.” I said, seeing a spark of happiness in her eyes. “Of course I want–“

I stopped, aware what I was about to say. For a second, the light side was freed again. Should I be saying this? Do I really want to have sex with her? Before I could answer their questions, they were throw away, back into the darkness.

Katie looked into my eyes. “You want to… what?”

I stared at her, and she stared back. “I…” Lost for words, my brain took over, and the dark side answered for me. I put my hand on the back of Katie’s head, and pulled her to me. I planted my lips on hers and kissed her. She was surprised, and didn’t know what to do. I pulled away, and smiled. “I want to have sex with you.”

She beamed. And I mean, beamed. She looked like she would cry. “You’re kidding me? Right? This is a cruel joke?”

I shook my head, laughing. “No, Katie, I’m not. I… I don’t really know. I just feel like I have to.”

She jumped up and ran around her room, cheering. “Finally! I never thought it’d happen, but it finally did!” She shouted. I worried Ben would hear, but I’m sure Jax would know to distract him. I laughed, standing up. Seeing me stand up, she ran to me, arms outstretched. I opened my arms, and to my surprise, she jumped. She leapt into the air and into my arms. She wrapped her arms around my neck, and her legs around my waist. I lost my balance and we fell back onto her bed. We were laughing, and I looked into her dark blue eyes. She was smiling, and looking into mine, laughing. I focused on the little beauty mark above her lip, and that curve of her nose…

Something happened, then. Within a second, in this position, and the way we saw each other, our looks went from happiness to lust. The transition was surprisingly blunt. First she was running around the room and jumping into my arms, and now she shoved her mouth onto mine.

Katie stuck her tongue in my mouth, and I immediately gained a full erection. She reached down and rubbed my cock through my shorts as she made out with me. She must apparently be living the dream. I watched her lean back, and slip her shirt off. She was not wearing a bra, and I saw those breasts I’d seen a year before. They were slightly larger, but just as beautiful, just like Jax’s. Her nipples were the perfect size, her areolas about the size of a penny. I was in love. I leaned forward and shoved her right nipple in my mouth. As I lightly sucked her nipple, I almost ejaculated. Hell, I probably would have ejaculated so many times in a single minute that I had a heart attack. For the first time in 18 years, I heard one of my sisters moan.

It took me aback. I stopped sucking for a second; I had to savor this moment. When Katie moaned, it wasn’t too loud, it wasn’t too quiet. It was more like a half squeak, half moan than an actual moan. It was adorable.

In lust for more of her moaning, I sucked on her nipples more, but harder. She seemed to like it, moaning louder than before. I’ve said before that the girls’ laughter was music to my ears, but I had to add their moans to the list now. I couldn’t stand it. I kissed her on the lips, and without thinking, blurted, “I love you.”

She stared at me, shocked. I saw her eyes start to water, and she squinted them shut. “I… I love you, too.” She immediately threw her arms around my neck and started crying.

I felt awkward, and didn’t know what to do. I hugged her back. “Katie, what’s wrong?”

She leaned back and wiped her eyes. “It’s just… I never thought I’d ever hear you say that…” She said, sniffling, before hugging me again. I let her hold me for a while, and it started to sound like she was done. She pulled away, wiping her nose, and half laughed, half sighed. “Fuck, Matt.”

I chuckled, feeling happy Katie was happy again. I was suddenly aware of my erection again. Katie was on my cock, her clothed pussy pushing against it. She felt it now too, and lightly rubbed back and forth. Katie slowly grinded on me, causing my breathing to quicken. She looked so proud, knowing that what she was doing pleasured me, so she sped up. I reached over to her and placed my hands on her hips, rubbing her legs as she moved. She smiled, and started rubbing her tits, starting to feel her own pleasure now. I was now grabbing her hips, pulling and pushing her against my cock. She giggled, and steadied herself. “You’re having fun, huh?”

I nodded, and realized too late that I was almost at ejaculation. I tried to stop, but I felt my balls tighten. Surprised, I let out a moan and fell back. I felt cum shoot out of my cock and wet the inside of my shorts. Katie stopped, slowly reaching down to feel the area. Realizing it was wet, she jokingly frowned at me. “C’mon, Matt.” She said, putting her hands on her hips.

I blinked in embarrassment. “Sorry, Katie.”

She shrugged, and hopped off of me. “That’s alright. I understand.” She scooted up the bed so she was next to me. “I can’t believe that actually just happened…”

I shook my head. “Me neither.”

She giggled and put her head on my chest. I just laid there, feeling Katie’s breath on my chest, watching her stomach slowly rise and fall. I realized, when she started breathing heavily and let a moan slip, that she was fingering herself. When she saw that I’d noticed, she smiled. “What?” She said seductively. “Can’t a girl have some fun?”

I smiled and laughed. She laughed and turned her head to me. She planted a kiss on my lips and started kissing me. I felt her moaning into my mouth as she fingered herself. I reached over and played with her left nipple, which only added to the moaning. Suddenly, I felt Katie stop kissing me. I leaned back to see her eyes were squinted, her mouth was open, and she was moving her hand pretty quickly. She let out a moan, and shuddered. She fell onto my chest again, moaning and panting. “Holy shit.” She said, recovering from her orgasm. She pulled her fingers up to her face, sticking her index and middle fingers in her mouth and sucking.

I sighed, and lightly rubbed her tits. “Katie, you’re fucking amazing.”

She smirked with her fingers in her mouth. Taking them out, she added, “I try.” She patted my crotch and sat up. “Well, looks like we’re done for now. Maybe we can have some actual fun later?” She said, looking at me in a mockingly seductive way.

I laughed. “Yeah, I’d like that.” I said, sitting up on the bed myself. I watched Katie as she slipped her shirt back on. She adjusted it, smiling when she saw me watching. “C’mon, let’s go.”
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She opened up the door when I had my clothes on, and we walked out. Heading down the hallway, I heard explosions and gunshots in Ben’s room. Luckily, his video game had been loud enough to drown out any sound Katie or I had made.

I looked down at Katie’s ass and legs as we walked. Her ass looked so nice in her tight shorts, and her legs had been toned from her several years of track. That’s when a realization hit me. My friends had been right all along; I was lucky. Two of the hottest girls I’d ever met loved me, and wanted to please only me. It was surreal, to say the least.

Over the last day, I’d thought about Katie and Jax. I had started to put them in different categories based on their personalities (which I’ve spoken about in the past, if you remember correctly.) Katie is the kind of girl you want to make love to, and cuddle with when you’re done. Jax on the other hand, although being somewhat part of that first category, is the kind of girl you want to fuck, and the kind of who wants to be fucked. It’s weird how throughout my entire life, the girls’ personalities had put them in these groups, and I hadn’t even noticed.