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*Author’s regards: This* ***fictional*** *story continues the story of Willy (18, Wilhelm) and his older sister Ellie (25, Elizabeth). Hope you enjoy!*
*Link to part 1:* [*A bet with sister ends up with her becoming my sex teacher.*](
*Link to part 2:* [*A well timed breakage of rules sends sister flying.*](

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Lightening my load two days ago really helped me keeping my urges in check and I felt like a proper model student. Even Ellie made a note of that and applauded me for my, directly quoting, “delightfully chivalrous behavior” over the past days and how it would be shame if I relapsed into my former vile tastes. At that point I wasn’t sure if she was just toying with me. Telling one thing but feeling the opposite. In a few days, however, It all became much clearer.

“Are you absolutely sure you’ve packed everything?” Mom asks me, for like over nine thousandth time.

“Yes!”

“Toothbrush, pajamas, spare clothes, underwear, jeans, shorts, t-shirts, utilities, charger, passport, pocket money, headphones, deodorant, condoms…”

“Mom! Why would I need condoms if I’m visiting my sister?!” I ask seriously if mom has lost her mind. But she’s not wrong, though.

“I don’t know where you are *really* going. You could be sneaking to who knows where, *a secret girlfriend* perhaps, who shall remain nameless? All I’ve heard is you saying to go visit Ellie. Plotted together with so she would back up your little scheme. You may have dad fooled, but not me, I know these tricks.”

*A secret girlfriend huh? If only you knew, you wouldn’t talk to me probably ever again… Jesus mom, you and your conspiracies! Why can’t you just give up with the name thing already? I have to give her something fast, before she drives me completely insane! Anything…*

“Ella.”

“Huh?”

“Her name. You wanted to know her name. And it’s Ella. We met online once… can we just drop it now, it’s not a serious relationship at all and I don’t want to talk about it! There’s no scheme mom, I really am just visiting Ellie, not a secret girlfriend.” I shoot my lies at her doubts and it’s direct hit.

“All right, all right. Hmm. It’s a good name, Ella, I like that…” Mom mutters to herself as she leaves my room.

I close my bag and snap a picture of it and send it to Ellie. “Guess who’s gonna fly tomorrow to visit the Worlds most gorgeous woman?”

“The bed is already made for you in the guest room.” She replies with a picture of their large king sized bed for two.

“But hey, that is your master bedroom!” I’m being playfully oblivious.

“I know, I will be sleeping on the small bed in the guest room.” She plays along.

“No, I will, you take the bed.”

“Or maybe, we share the bed?”

“Ooh, Is that allowed for us?”

“I think the bed is wide enough for us to keep a proper distance from one another.”

“Which is?”

“I don’t know… Is negative five inches enough?” Her witty tease hits the jackpot and launches my erection straight to orbit.

“Wow! Who’s being the civilized one now?” I taunt her, but only got a winky face as a reply.

“Hold your horses until 9 pm tomorrow. That’s when I should pick you up from the airport right?”

“Yes.”

I started preparations for gonna bed and despite my tremendous hard-on, I decided to try and not fap that evening. I kept thinking about what she just said instead.

*Hold my horses until 9 pm? Are we really going to begin doing stuff right away, right there at the airport? Isn’t that a little too much, even for me? What have I done to make her that crazy? It’s not like anyone would notice us there, but I feel hesitant about thinking doing anything in public.*

I use the benefit of sleep to fast travel in time to the next morning. Never had it felt so easy to get up from the bed as that morning. I bounce like a spring after hearing my army of alarm clocks from across the room. I drag my bag to the hallway for my departure and rush to breakfast. Both mom and dad come along to escort me to my flight. As I say goodbyes to mom and dad before boarding, I notice mom wiping tears from the corner of her eye.

“Why are you crying mom?”

“You children just grow up so fast, fly off the nest.” She sobs.

“I am coming back you know?”

*I wouldn’t mind staying there forever though…*

“I know. It just reminds me of Ellie.” She sniffs. “Have a good trip, and say hi to Ellie from us.” Mom hugs me. I’m feeling little embarrassed as I try comforting her for a while but I don’t come up with anything smart, so I just tap her back. She finally lets go and I turn to dad to exchange waves of goodbyes too.

“Have a good time!” dad wishes.

*Trust me dad. We will.*

The flight was straightforward and we land in time. I walk out and follow instructions to the luggage area and snipe for my bag, which arrives well intact. I head to the spot Ellie instructed me to go, and arrive there a little later than agreed, but I do not see her. I check my phone and notice I forgot the flight mode on, so I turn it off, and immediately messages begin pouring in. I didn’t get to read them before I hear Ellie’s voice from a distance.

“There you are!”

I turn to look and see Ellie running towards me, arms spread wide open and ready for a tight hug. She’s wearing the same white and red rose filled dress than before, this time without heels. In addition for the hug, I prepare to kiss her on the lips, but just as she was about to get to me, I realize she wasn’t alone. It was Gary. He was supposed to be on a trip!

“Welcome to New Jersey, Willy!” Ellie shouts and immediately presses her lips against my ear to whisper: “I’m sorry, change of plans…” She lets go of me and turns to Gary. “Gary, you probably remember Willy? Willy, this is Gary, my husband.”

“Of course I remember this little guy. I couldn’t get a single hit through in that game we played.” He says as we shake hands.

I remember Gary, I was at their wedding after all. Gary is a tall and physically fit 33 year old man, who liked to wear fine clothes almost all of the time. I had never seen him wear anything lower class than clever casual outfit, and that day was not an exception. I never really knew Gary well enough to like him, as he all the time seemed sort of a snob to me, very pretentious. But I also respected him because at some point in time Ellie saw something in him. Something to hold onto tight enough to marry. I wanted to know what it was, and it seemed my ill fate tried to serve a purpose.

*This must be why she had so many messages sent to me… Well, at least I don’t have to worry about Ellie dragging me to the next public bathroom because that would seriously freak me out. I am not ready for public place foolery any time soon! But I still would like to borrow your wife Gary, when shall it be?*

During the drive to their home, the reason Gary’s stay starts to unravel itself. The whole conference he were supposed to attend to is canceled, so he wasn’t going anywhere. I’m sitting at the back seat super bummed and he keeps rambling about his work, but I don’t listen, and neither does Ellie. We’re texting each other instead while Gary is behind the wheel. People being glued to their phones is so typical these days he has no idea that we simply are not there.

“So no shared bed I guess?” I message to her sadly.

“Unfortunately not.”

“So what do we do now?”

“Sleep in separate beds?”

“I know, but do we get time at all? Just the two of us?”

“I think there’s a way…” she types and then turns her head towards me, and says aloud: “I just remembered, they opened this new arcade close to where we live, we should go check that out tomorrow.”

“That’s true, you two definitely would love that. I was thinking of going to golf with my friends, if that is ok?” Gary opts out before I get to say a thing and a satisfied smile appears on Ellie’s face.

“Of course dear, you wouldn’t want to stay there for long anyway. *Too nerdy*.” She says while taking a quick a look at me giving a wink.

We finally arrive to their very luxurious looking penthouse apartment, with a private elevator straight from garage to the lobby. I knew Gary was making good money with his startup company, but I couldn’t believe it was this much. The apartment has very open and simplistic architecture. It is split half by a hallway from the lobby into a large open concept kitchen and living room. There are two similar pairs of bedrooms at both sides of the apartment, each being connected by a shared bathroom with showers. The master bedroom is at east side, and the guest room – where I was staying – is at west. The two other bedrooms were both in office use, one for Gary and one for Ellie.

After dragging my bag to the guest room and unloading my luggage into the closet, Ellie invites me to have a few drinks and some light evening snack before bed time. I join them in the living room and Gary offers me some red wine. I would have felt rude to decline, so I nod and he pours me half a glass. I can sense Ellie’s amusement as I struggle to look like I’m enjoying the wine. I don’t know what I was expecting but it tasted like cork and it took long for me to finish my glass.

Ellie sits under Gary’s arm on the sofa, holding a glass of wine and stares me throughout the evening as we chat. I feel a little bad, not because she is sitting there with him, for it is expected for her to sit there beside him like that and not by me. I feel bad for her, because those longingly staring sweet blue marbles of hers are literally begging for the universe to reverse the setting. Her craving for special attention from me can’t be fulfilled because Gary too is directly facing me and could see everything I do with my body language.

By looking into her eyes I can feel her discomfort and uneasiness every time Gary makes gestures of affection to her. Each passing second deepens our connection and soon we are having another conversation between us, all without any words or physical signals. It’s just me and Ellie looking into each other’s eyes. Like two paired Bluetooth devices we start exchanging feelings and affirmations with our gaze, and they turn into sentences in our minds.

*I wish I could hold you right now and kiss you.*

*I’m sorry you have to bear watching and seeing me like this.*

*Don’t be, it’s okay, I know you would rather be on this side now.*

*Tomorrow we are gonna have a wonderful time together, I promise.*

*Maybe we go to bed, so tomorrow will come faster.*

*Drink your wine, and we will go…*

Ellie shifts her gaze to my glass, which still has few gulps to go. I decide to man up and swig down the rest. Right away, Ellie gets up and announces her tiredness by delivering a massive yawn.

“I’m ready for bed, you coming too Gary?” She invites him with her coaxing voice.

“Yeah it’s getting late. Sleep tight Wilhelm.”

“Sleep well, Willy.” Ellie says with longing tone.

Feeling tipsy from the wine I lay back on the bed and collect my thoughts. I’m trying my best to not feel tremendous disappointment but can’t help it.

*This sucks ass! We could be doing our second round by now, but we are forced to stay aside instead by Gary’s presence. Next time I’m getting us a hotel from some completely different city, or state…*

I fall asleep eventually, but it takes less than an hour before I wake up in the middle of the night. The wine had done its job and I’m thirsty as hell, so I head to the kitchen to drink a glass of water. While searching for a glass in the kitchen, a sudden sound of master bedroom door sliding open alerts me. It stops quickly and I’m sure I heard someone gasp, so I to tip-toe to investigate. Peeking behind the corner, I see that the bedroom door is ajar and a warm dim light shining through the crack. A chatter begins. Getting more curious I bring myself closer step-by-step and press my ear against the door. I hear the sheets rustling and some heavy breathing.

“Um… Honey? What are you doing?” I hear Ellie’s voice. Gary does not reply and the rustling continues. “Gary no, not now.” She continues sounding concerned.

“Come on lovely, I know you.” Gary whispers to her with lust in his voice.

“Yes you do, but– *ah*!” That sudden moan of an interruption I know very well, he’s touching her. “No, stop. I’m… I’m not in the mood.” She wails.

“Wow, you kidding right? You’ve *never* been this wet before. You’re running so hot it torches my fingers!”

Both Gary and I knew she was obviously aroused. However, only I could ever know what was really going inside her head in that moment.

“It’s Willy… It’s rude to have sex while having guests.”

“He’s asleep, and so what? He could be right behind that door as we speak, but I doubt it…”

My heart jumps to my throat as Gary calls out exactly what I’m doing right now.

“Hey Willy, knock once if you feel gross and wish us to stop.”

I freeze myself completely and hold my breath. My heart beats so hard I fear they could hear it.

“See? Either he’s not there, or he’s smart enough to give us privacy.”

“Okay but please, be quiet.”

“If fear of being rude makes you *this horny*, we’re gonna invite guests *every* weekend!”

I assess from the rustling of sheets that they are changing position. A sharp high pitched yelp from Ellie tells me that Gary had made his way in. I feel like risking it and slowly inch forward my head to peek inside. The vision to their love making starts to fill up from their feet, and from the beginning I see they are doing missionary. Soon I see the whole thing with both of my eyes.

At first I’m filled with jealousy but it fades quickly, though, as I keep watching them and a surprisingly comforting fact is revealed to me. Gary is so bad at it.

His chest pressing against hers, and his hands going under her upper back, Gary is doing Ellie like a rabbit. His face is buried somewhere behind her neck, probably kissing the back of her head. Ellie is somewhat wrapping her arms around him, but they don’t move an inch. Her hips make no effort to return the movement and her gaze wanders around the room like she’s riding an elevator. Just waiting it to stop.

Eventually she spots me and freezes, eyes and mouth wide open, filled with mixture of terror and lust. *I’m sorry*, I read from her lips. *It’s okay*, I say back to her with my lips while making a heart shape using my hands and she smiles with relieve. Ellie latches me with her gaze and begins to grind with her hips. *Look at me*, she begs, and I nod approvingly. For a few seconds, she manages to enjoy the herself by imagining it’s me who’s fucking her.

It makes her body so pleasurable that Gary begins to grunt from his orgasm immediately, and the discomfort emitted through Ellie’s eyes is palpable. Every single burst of sperm he plunges into her, she wishes to reject with all her heart and soul. She keeps looking at me throughout of it all, begging for my forgiveness through her eyes. *Don’t worry*. I figure out she’s only doing what has to be done. We both know who she really wants to fill her up. Gary collapses on her and rests there for couple of seconds, before Ellie taps him on his back for a signal to move out of the way. He rolls over and I swing back to hide behind the door.

Ellie doesn’t waste a second lying there. She springs up and marches towards the bathroom, through the crack I watch her go. I still feel latched to her, as she watches me with her piercing gaze while closing the bathroom door, she locks it. The tether between us snaps and it leaves me aching.

The sound of flowing water from the bathroom carries an idea so alluring I can’t withstand it. I take a peek into the bedroom and notice bare ass Gary is already asleep. I turn around and silently hop my way to the office room that supposedly connects to the bathroom. I try my luck on the handle and it’s not locked. My levels of excitement shots through the roof, as I enter the office room and walk slowly towards the unlocked bathroom door. I grab the handle and take a deep breath, and open it. I step inside and see Ellie’s figure showering behind the fog coated glass. My boner is so strong I can’t handle it. I slide down my boxers and open the glass door. I’m halfway in when she looks at me over her shoulder, and smiles.

*She was expecting me!*

Ellie rises a bottle of shower cream above her shoulders, and gives them a couple of squirts. I walk up to her and run my hands over and around her shoulders, her back, and her waist. She arches her back and pushes herself against my hard cock. I let my hands wrap around her stomach and slide my hands slowly upwards, feeling every muscle on the way up to her breasts. I hold her by her boobs, as I pull her against my chest and kiss her neck. She bends her head backwards and starts panting heavily when I roll my fingers around her hardening nipples.

“*You don’t believe how much I needed this!*” She whispers.

With force, I turn Ellie around to face me and press her against the wall. Eyes and mouth wide open she stares me overwhelmed, as I launch myself against her lips, and kiss her. We make out with increasing passion and her fingers run through my hair. I lean my weight on her body and grab her ass, it makes her lips let go out a deep moan. her legs spread out and I push my thigh between, and she starts grinding against me. I begin kissing my way down from her lips to her cheek, to her neck, to her chest, down to her nipples.

Hardened nipple between my teeth, I bite down and feel Ellie making a twitch and her lungs collapse. I take my thigh from between her legs and reach my hand instead, spread her swollen vulva and slide my fingers between. I look up at her surrendered eyes, and bite again.

“*Ah–*!!“ She slams her hand over her mouth and screams into it.

I begin rubbing my hand rapidly, but steadily, and she completely melts in my hands. She’s pressing herself down harder on my fingers, all while breathing sharply through her nose and moaning into her palm. She rocks her hips and spasms, and I keep going at it with my best effort, trying to keep it all together and not trip on the wet shower floor. Ellie releases her mouth from under her palm, rips my mouth off her nipple using both hands and kisses me. She whispers:

“*Good boy! Keep going!*”

I do as I’m told. She kisses me again and moans silently into my mouth and her spasms get stronger by the second. Our lips separate. Her forehead pressed against mine, we stare each other under the running water while I finger her with all my hart. Her eyes tell it’s happening, her hips, and lips, do the talking. *I’m coming! Willy, I’m coming!* Again, she pulls our lips together and moans into my mouth as she climaxes.

I gently slow down and let her make a smooth landing from her flight. Finally she settles down and lets go off my lips, and I take a look at her gorgeous smile of satisfaction. My fingers slide out and we let go off each other. Ellie presses her lips against my ear, grabs my hard shaft and strokes gently.

*“I already cleaned it well, would you want to sweep and rinse it*?”

I nod to her proposal, so she turns and grabs by the drying rack attached on the wall and signals me to come closer. I get to her and get surprised after she throws her leg to me, and I instinctively grab it with my right arm, and I start to see the picture, as her pussy is now perfectly aligned towards me. She guides me to her entrance and I thrust myself in her.

Ellie is standing on one foot, both arms holding by the rack, and I hold her leg against my chest. I fuck her sideways and the position really gets me so deep my balls hit her vulva. We get little carried away as I increase my thrust and slapping sound starts to make its presence. Ellie looks at me like she really likes it, but suddenly realizes the situation. *Quiet!* I freeze.

We stay still like two deer in headlights. Only the water running over our bodies made splashing sounds on the floor anymore. We listen carefully and assess the situation. All the excitement is increasing my hard-on. After a minute we dare to move. I slide out and she stands on her two feet again. While massaging my balls she gives me a kiss and whispers.

“Sit down.”

“No.”

In rapid succession, I grab and turn her around, then push her hard by her shoulders. Taken by surprise, Ellie smashes against the wall making a sharp gasp of deep arousal. Her back arches and her legs spreads wide, and with one quick thrust I plunge myself into her. Ellie’s hands are stuck between her body and the wall, and she is having trouble keeping it quiet, so I cover her mouth with my hand.

“You like that?”

“*U-hum!*”

“Want some cum?”

“*Yeamph!*”

“Pussy?”

Her head shakes.

“Mouth?”

She nods rapidly. I let go and slide out. Ellie turns around, gets down on her knees, and looks up with total submission in her eyes. She jerks me with her both hands, tongue pushed out and ready for my load. I feel them marching and she notices that I’m just about to cum. She buries my cock inside her mouth and grabs my hips. It comes. She nods and begins to milk my cock dry, not breaking eye contact. My legs shake from the orgasm and get so noodled up I’m afraid to tip over. She keeps swallowing my loads, burst after burst and I spasm from the stimulation.

Ellie rises up to kiss and we hold each other for a while, let the water flow between and around us. We have a pillow talk, just without a pillow.

“You know. During the evening, I was sure I could hear what you were thinking, just by looking your eyes.” I whisper to her.

“Really? Back then at drinks?” She whispers back.

“Yeah.”

“What was I thinking?”

“You just felt sorry that you couldn’t be with me, and tomorrow we would have wonderful time.”

“Oh!” She finds it funny somehow.

“Not correct?”

“I had way less tame thoughts in my head.” She responds embarrassed. “I was thinking how I would sneak out to your room. And, I almost did but… I guess he sensed my arousal and grabbed me in the middle of it. The rest is… well, you saw.”

“About that… Gary is kind of–”

“Terrible, I know!” She blurts out rolling her eyes.

“Actually, I was gonna say mediocre, but you are right… Total garbage.”

We laugh.

“Yeah… I think it wasn’t a coincidence.”

“What?”

“The time I gave in to your little wish back then.”

“You think so?”

“Gary fails with the first lesson already…”

Her eyes light up as she drifts back into her memory, that special night we shared.

“Something, dormant, just clicked in me when you came forward with your feelings. I haven’t been the same after that…”

*That one I can believe sis! But am I really that good? I just follow your orders, plus a couple of improvised moves. I guess it’s just the combination of all that. We know each other well too, so that helps. But I’m happy the way things are now, and want this never to end!*

“I’m happy that it happened.” I whisper to her gently.

“Me too. I’ve never felt this… *Alive*!” She whispers back and kisses me.

The shower had been suspiciously long enough even for Ellie’s standards. We proceed to take the rest of the shower together, taking turns washing each other in all the places. My dick gets hard again, but we both know it has to wait for another time. Sadly, we can’t leave the shower together. We hold each other for a last time before going separate beds.

“You need to go before I shut this tap.” She whispers caressing my hair.

“I know.”

“Thank you for coming. I love you.”

“I love you too–” I grab behind her neck. “–and thanks for coming too.” Then I pull our lips together for a long last kiss before separating.

*“Now, go*. Use my towel.”

I let go off her, I grab the towel and dry myself just enough so that I don’t leave a wet trail on my way to my room, then grab my boxers and leave as quietly as I arrived. I check on Gary from the crack on the master bedroom door, and he is still sleeping bare-assed in the same spot, like a baby.

*Mission successful, got a jump begin on you wife today after all! And this is just a beginning, tomorrow is gonna be crazy…*

NSFW: yes

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