She Was Never Just My Sister[R18]

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Chapter 5

The next day, Mom made breakfast. That was the one benefit of this stupid challenge, if you didn't count what had happened the day before: a nice breakfast instead of just a bowl of cereal before rushing off to school. But I'd still rather have my computer and all the other conveniences of a modern life mankind had worked hard to achieve.

School was okay. I was still getting some teasing from friends about being 'cut off' from the Net and cell phones, and having to be told the news about what was going on in their lives instead of having learned it real time from text messages or IMs, but at least we had something to talk about during lunch and between classes, instead of having run out of discussions. It got so that I was kind of dreading the weekend. School, for all that it was a hassle, had become something of a lifeline to my friends, since I couldn't talk to them outside of it. On the bus ride home I tried to imagine the horrible "family events" we'd be forced to do over the weekend.

Krista sat a few seats ahead of me on the bus, occasionally looking in my direction but mostly talking with her friends. That was another thing I was worried about. I'd have a few hours alone in the house with her, and if she regretted what we had done it could get very awkward between us.

I walked a little ahead of her to the door, but in silence. At first I'd thought we'd likely continue this trend and just retreat to our separate rooms. But the moment she closed the door behind her, she said, "Bobby, I think we should talk about what we did yesterday."

I breathed out deeply, and then turned around, preparing for the worst. "Okay."

"You know how I was pretending you were just some guy, and you were pretending I was just some girl?" I nodded dumbly. "Well, I was thinking, maybe we could try that again, for other things. It seems like a good arrangement."

My cock sprang to attention. "What do you mean?"

Krista stared, not at me, but towards the table where Mom usually throws the mail, like she was a little embarrassed. "It could be a good way to practice things. You know, like things we're not sure we're doing right, with girls or boys? Like I'm sure there are things you're not sure how to do with a girl, right?"

"Sure. Lots, really." I gave a brief, nervous chuckle. My heart had started to pound.

"Well, if you want, we could help each other out. It could be fun, and… it's not like we have anything else to do till Mom gets home, right?"

"Right," I said. "So what did you have in mind?"

"I don't know. You go first. What are you most nervous about with a girl?"

Practically everything. "Kissing, I guess," I said, automatically. How do you know if you're a good kisser? Googling kissing techniques is unhelpful. Then I realized just what I'd said, and to who I'd said it to. "But I know that's probably too weird…"

"No, we can do that," she said quickly. "Let's go to your room?"

I led the way, trying to act casual, but I could feel my legs starting to shake, like they did whenever I was about to do something with a girl for the first time. In my room, I tossed my schoolbag on the floor and sat on the bed, hands on my knees. My sister sat beside me, one leg on the bed, turned towards me.

"Just pretend I'm a girl you like," she said. "I'll close my eyes and pretend you're somebody else." She shut her eyelids, left her mouth open very slightly.

I could finally look at her straight on with her eyes closed. She really was lovely, if she wasn't my sister I could probably fall in love with her just based on her face. She had one of those faces that had two different modes, both beautiful. When it was relaxed, she looked like one of those distant, untouchable beauties, lost in thought. But when she smiled, she seemed approachable, sweet, even playful, the girl next door, or, in my case, down the hall. She wasn't smiling now, so it was a strange sight, her looking like an unapproachable goddess, just sitting there, waiting for me to kiss her.

I must have waited too long, for she opened one eye and said, "Are you going to do it, or what?"

"I will," I said. "Just… close your eyes again."

Once she was back and waiting, I leaned forward slightly, wetting my dry lips with just one lick. I kept my eyes open until just before contact, not wanting to risk missing entirely and landing one on her nose or something. My puckered lips brushed against hers, pressed in, and then pulled off.

"Okay," she said afterwards. "Not bad, but you were a bit too stiff. You should try to pucker a little less. Relax. It was like kissing…." she smiled a little at what she was saying. "Well, like kissing my brother. We're supposed to pretend, right?"

"Sorry."

"It's okay. Just… okay, let me show you, close your eyes." I did as she asked and waited. Soon I felt her lips on mine, gently, and then sliding up a little, so that my upper lip was squeezed between her two lips. She separated again. "See?"

"Uh-huh."

"Want to try again?" We did, two more times, and then she said, "See, you're getting better. You could be a little more forceful, though. Now, if it's going pretty good, you can try pushing your tongue out and going for a French kiss."

I swallowed, and then leaned in again, and her lips parted slightly. I tentatively stuck my tongue into the gap, which caused her to open more, and I probed deeper until I met her own tongue. It was like some kind of electric connection. We kissed for maybe fifteen seconds before she pulled away.

I think she was actually blushing a little. "See, you're not bad at it, really. I think your main problem is confidence. It's okay to be a little aggressive… girls like guys who are a bit aggressive, you know?" I had known that, but could never bring that out in myself. "And, well, there's one other thing."

"What?"

"Well, that's okay for just kissing, but if you're actually really, making out with a girl you should be using your hands more."

"Where?"

"Where you want. The girl will let you know if it's too much, they'll pull away. We know what guys want, so most of us don't hold it against them for trying even if we're not ready yet." She leaned back, bit her lip, and then in one smooth motion, pulled her shirt over her head. This time, she wore a bra underneath, a very soft pink, almost white. To my relief, she reached behind her and undid the strap. I'd seen guys having trouble with the bra in so many movies that I was scared of fumbling with it myself. It was probably the exact type of thing I should have practiced with my sister given this opportunity, but I didn't want to look like an idiot.

Once her bra slid off, I was looking at her tits again, much closer, staring really. They were beautiful, perfectly shaped. I wished she'd let me touch them. Then I remembered what she'd just said. I should be using my hands more.

I slid a little closer to her and leaned in to try to kiss again, but this time I slid my hand up her belly and cupped her breast with one hand. As I kissed, I squeezed it gently, feeling for the nipple. We kissed more, several times without conversation in between, while I played with her boobs, usually one at a time. I was a little nervous, but there was something comforting about her, so I wasn't practically shaking like I was with Judy. I guess it was because she was family, strange as it sounds. I trusted her not to make my worst fears come true. My heart still beat like I was in gym class and my stomach fluttered, but it was a good fluttering.

One time when she broke off, she tilted her head to the side and said, "You can kiss a girl's neck, too…" So I did, planting small kisses up and down. It wasn't as much fun as kissing her lips, my tongue meeting hers, but she seemed to like it all the same, letting out a soft "Mmm."

Suddenly, her hand closed over mine. I had my whole hand over her breast, palm on the nipple, applying gentle pressure, but she started pulling me down. I was disappointed, thinking she was pulling me away, and then suddenly I realized she wasn't pulling my hand away from her breasts as towards somewhere else… She guided me to her shorts, but stopped at the waistband and kept moving repeatedly there until I'd slipped underneath. I took the hint and slid deeper, down between her legs. It felt warm there, warmer than the rest of her skin, and I could tell when I reached her slit, not just from the feel, but also because my fingers suddenly got wet.

I kept up kissing on her neck, down towards the breasts, while my hand slid over the folds in her pussy until it found the hole itself. It was just too tempting, and she all but told me that she might pull away if I went too far, but wouldn't hold it against me. I curled my fingers in a bit, and then, when she didn't resist, plunged them inside, the first time I'd ever gotten that far with a girl. Krista made a soft noise of surprise, but didn't otherwise object.

I can't describe what it felt like, because it wasn't like anything else I'd felt on my fingers… warm and tight, like someone was squeezing my fingers from every direction. I wiggled my fingers around, but it didn't feel like there was much room to maneuver. When I did, her thighs squeezed together a little too, trapping my hand. It felt good, like it meant she wanted me there. Even if she was thinking I was some hunk in her class, I could hold onto the fantasy.

We kept it up for something like a minute after that, not talking. Finally, Krista spoke. "Bobby? Are you hard now?"

I had been for some time. "Yeah."

"So can I have my turn now?"

"Turn at what?"

"Practicing something on you? Getting your opinion on it?" I didn't want to stop, but how could I refuse? Besides, I had to know what it was that was on her mind

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🎉 Big shoutout to Mike Johnson for joining the Patreon family! Your support means everything! 🙌

If you're loving the stories and want advance chapters, unfiltered content, and some exclusive fanfics for free, come join us too!

👉 patreon.com/Forbidden_lust

Every new member helps me write more and better — so what are you waiting for? 💖