"Welcome back, Ren♪"
As I—Shibuya Ren—returned from school, Yuri-nee came to greet me.
"What about the 'welcome home kiss'?"
Hearing my sister say this, I gently pressed my lips to hers.
"I'm home."
"You're back early today. I made your favorite snacks—want me to feed them to you with my mouth? Ah, if you're sweaty, should we take a bath together first? But what I recommend most is making love with your sister."
Though every suggestion was tempting, I couldn't keep relying on my sister.
I had to steel myself and resist her allure.
"I can eat the snacks myself, and I can wash myself too. As for... pleasuring myself... I can handle that alone."
"I see... Ren has grown into such an independent boy now. Maybe I should stop meddling so much..."
Her eyes lowered sadly, her voice trembling.
"Huh... S-Sis?"
"I'm sorry. I didn't consider your feelings. Maybe I'm not fit to be your sister anymore..."
Tears streamed down her cheeks.
"That's not true at all!"
"But... you just got home, and aside from the 'welcome home kiss,' you don't want to do anything else with me, right?"
"Uh, well... If it's just feeding you snacks... I guess that's fine?"
"...Just snacks?"
"And if it's not with your body, but just helping you wash with a towel... then a bath is okay too?"
"...Even a bath?"
"Y-Yeah. It's not that I don't want to... do lewd things..."
"You've been imagining me while playing with your little cock all by yourself, haven't you? In that case, there's no difference if I help you feel good, right?"
"Huh? Wait... Is there really no difference...?"
"Of course~ I'll stroke it gently, rub it, and then put it inside me... We'll move together, right? And feel really good together?"
"B-But..."
"Mmm~ Ren, do you hate me?"
"Not at all."
"Just 'not at all'?"
"...I love you, Sis."
"Yay♥ I'm so happy! I love you most of all too, Ren♪"
My sister hugged me tightly, overjoyed.
We'd always been physically affectionate, but it hadn't been like this before... or had it?
Back when we were just "normal siblings," she used to hold back, but ever since we started having sex, her doting on me had gotten worse.
Not that I minded.
Still, it was a bit of a problem. Because when she hugged me like this, I couldn't help but get hard.
"Ah...♪"
Noticing the bulge in my pants, my sister smiled happily.
"Hehehe, Ren's little brother is all stiff..."
"...!"
Before, I had to restrain myself—no looking, no thinking. But now, we didn't have to hold back anymore.
"Ren, let's save the snacks and bath for later. First, let's do something naughty with your sister."
When the person I loved most invited me like this, there was no way I could refuse.
"...Okay."
I nodded, and we headed to the bed together.
This wasn't our first time making love.
But facing each other like this, embracing so intimately, still made me shy.
"Sis..."
"Ehehe, I'm a little nervous too..."
She seemed to feel the same, her cheeks flushing slightly.
"Hey, Ren. Let's do something even more embarrassing? Something even more naughty... okay?"
After saying this, my sister grabbed my hand and pressed it against her chest.
"Ah..."
As expected, my sister's breasts were quite large.
Her soft chest pushed back against my palm, carrying with it her body warmth and the rhythm of her heartbeat.
"I want you to touch, play with, knead my breasts... no, I want you to do all sorts of naughty things to me."
Holding me tighter, my sister whispered these pleas into my ear.
My heart raced, my breathing grew ragged, and my mouth went dry from nervousness.
"Sis...!"
Unable to resist, I cupped her breasts in my hands, kneading them with my palms.
"Mmm, Ren... ah, haa..."
Even through her clothes, I could feel that softness... huh?
"Sis, aren't you wearing a bra?"
"Yeah, that's right. I took it off beforehand so we could have sex anytime ♪"
"I-is that so... you usually wear one, right?"
"Of course. My breasts belong only to my little brother Ren."
Her words made me incredibly happy.
I could feel myself getting very excited, and my penis grew larger and harder.
"Wow... I can see it through your pants, Ren's little cock has gotten so big..."
Looking at my crotch, my sister smiled happily.
"Ah, could it be... Ren, did you take off your underwear?"
"No, I'm wearing them!"
"Ehh~ really?"
For some reason, she pouted in dissatisfaction.
"Heh, heh ♪ Mmm... look, rubbing your little cock against me like this... mmm, ah..."
The crotch of my sister's panties was wet, the fabric darkened.
"Haa, haa... should we take off not just the bra, but the panties too?"
My sister said this half-jokingly.
...She's joking, right? Despite a faint unease, we continued grinding our hips together, our crotches rubbing against each other.
"Ah, mmm... hey, Ren..."
"...Yeah."
I stood up first, and my sister undid my belt, pulled down my zipper, and took out my penis.
Returning the favor, I reached under her skirt and pulled down her panties.
A sticky thread stretched and dripped between her vagina and the underwear.
"Sis... you're so wet here."
"That's right. I want you inside me, I want to have sex with you, that's why I'm like this."
Saying this, she hugged me again and sat on my lap.
This time, it wasn't through clothes—my penis and her vagina touched directly.
"Ah, haa... mmm, ah, haa... mmm"
Her juices soaked my shaft, each movement producing wet, sticky sounds.
"Ren... I'm going to put it in..."
After saying this, she gripped my penis, rocking her hips back and forth to adjust the angle.
"Haa... ah..."
Plop, plop... even though we'd done this many times before, my cock still had to push through her tight entrance to enter her.
"Ren's... big... filling me up completely..."
The sensation of being joined together, the burning tightness of her walls gripping me.
Just this alone felt so good I was about to cum.
"Ren... you look like you're feeling really good."
"...Yeah. Just like this, it feels amazing..."
"Ah, so happy♪ But doesn't it feel even better with your big sister?"
As she spoke, my sister began slowly rocking her hips.
"Ahh, mmm, ahh... Ren, yes..."
While exchanging light kisses, I matched her movements with my own.
I buried my face between her breasts as she held me tightly, savoring their softness.
"Mmm, Ren... ahh... You've always loved sister's breasts the most."
Her voice brimmed with both maternal affection and sensuality as she gently stroked my head.
Basking in this pampered comfort, I secretly wished she'd become even more wanton right now.
With this thought, I lightly sucked on her nipple before capturing it fully between my lips.
"Nnngh♥ Don't... ahh... don't suck sister's nipple like that..."
Listening to her coquettish gasps, I swirled my tongue around the hardening peak, coating it with saliva.
"Ahh♥ That's... too much♥ Mmm, ah... ahh...!"
Her voice—those sweet, erotic moans meant only for my ears—tightened around my shaft as she spoke.
Her walls now fit around me with unbelievable perfection.
I thrust repeatedly, parting those clinging inner folds with each movement.
"Yah! Ren's cock... going in and out of sister... so hard feels amazing... haaa!"
After several strokes, her passage grew slick with arousal.
My rigid length glided effortlessly through her dripping channel.
Our joining became obscenely wet, each thrust producing lewd, squelching sounds from the mix of precum and her juices.
"Mmm, ah! Ren's... hitting deep inside... hah! Nngh! There... don't push... too good... mmm"
"It's okay, sis... Just enjoy it. Feel even better...!"
Always spoiled by her, always letting her spoil me.
Seeing her pleasure like this filled me with indescribable joy.
"Ren... ah! I'm... I'm close... sister's going first... ah! Please... wait... wait... mmm"
"Come for me, sis... let go!"
I pistoned my hips fiercely, churning through her soaked passage.
"Ahh♥ Mmm! Ah! Ah! Ren... ah! Coming! I'm... ah! AHHHH♥"
Her rapid breaths signaled the approaching climax as I showed no mercy.
Her inner walls fluttered like spasms around me.
Gripping her hips, I delivered one final, deep thrust.
"Hahhh...!"
With a shuddering gasp, her body tensed—
"NNNAAAAAHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH!!"
—then arched violently as endless waves of ecstasy wracked her frame, her prolonged cry of release filling the room.
"Sister...!!"
Faced with those convulsing depths, I reached my limit.
Burying myself to the hilt, I unleashed my load directly against her cervix.
Splurt! Splurt-splurt-spluuuurrrrt—!!
"Hahhh! Ah! Ah! It's... coming inside... mmm! Nnngh! So much... Ren's filling me up...!"
Her sweet tremors continued as I emptied myself within her.
I was intoxicated by her voice, pouring every last drop of desire into...
...Today, I was thoroughly pampered by my sister again.
"Mmm... Ren..."
My sister held me close, falling into a peaceful sleep.
Despite attending university, handling all the household chores, and even taking care of me, she never showed any signs of exhaustion.
I can't keep relying on my sister like this.
I want to become a man my sister can lean on.
***
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