Chapter 33
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Translator: MadScientist
Chapter: 33
Chapter Title: Sucking My Little Sister Ji-su (1)
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"Haa... I can't live without this coffee anymore..."
Back home, I savored the coffee Da-hye had made for me.
The cool liquid spread through my mouth, bringing a bitter taste and a nutty aroma.
The buff contained within the coffee seeped into every part of my body, melting away my fatigue.
"But... why can't I calm down?"
I bit my lower lip lightly and shook my leg.
If anyone saw me, they'd probably say, Stop fidgeting like a maniac and sit still for once!
But even knowing that, I couldn't stay still.
"Calm down. What's the big deal about sucking your little sister's tits? So what? Why are you freaking out now? Ji-su agreed to it, right? It's fine. Totally fine... You've done way hornier stuff than this..."
To steady my nerves, I recalled the events of the day.
First, I'd gotten a blowjob from Bojian.
Jian had sucked my cock for nearly thirty minutes without a single complaint.
Sometimes she'd lick it teasingly, sometimes kiss the tip, and other times she'd look up at me while rolling my balls in her mouth.
At the end, she took just the head in her mouth and sucked down every spurt of cum as it came.
With a playful wink for the extra tip, she opened wide afterward to show not a single drop had spilled.
Then, to practice, I'd spent about thirty minutes sucking on Bojian's breasts.
In the study room with the door locked, I'd targeted both her nipples.
Even now, closing my eyes brought back the image of that busty girl writhing in pleasure.
My heart had raced back then, too.
But it hadn't felt this anxious.
"I practiced on A-young and Da-hye's tits, too... but I still have zero confidence..."
It felt just like my twentieth birthday.
That restless anticipation waiting for an awakening that might never come.
[A vehicle has entered the premises.]
A cheerful jingle played, announcing that my little sister's car had pulled into the apartment complex.
.
.
.
.
"Oppa... stay in your room."
"...Huh?"
The moment Ji-su got home, she shoved me into my room.
"I'll get ready... so don't come out until I call you."
"G-get... ready?"
"......"
I flinched after blurting out something thoughtless.
There was only one kind of preparation that could come out of Ji-su's mouth.
Preparing to have her breasts sucked.
Preparing to offer her tits to her big brother.
And here I was, stupidly asking her to confirm it...
"I'll clear the mission right away... so just wait..."
Ji-su continued calmly.
But I could see it.
The subtle tremor in her voice, eyes that wouldn't quite meet mine, cheeks faintly flushed.
Has... Ji-su always been this cute?
Without waiting for my reply, Ji-su shut the door.
I chugged the rest of my coffee and plopped down on the bed.
"G-get it together... She's your little sister..."
I placed a hand on my pounding heart—pounding for a different reason now—and tried to steel myself.
When had I first seen my little sister as a woman?
Probably when I was drowning in despair after failing to awaken.
When I was blackout drunk, refusing to accept reality...
When she hugged me and told me it was okay, not to cry...
Yeah, that must've been it.
"That's why I worked so damn hard..."
I made an effort not to drink in front of Ji-su.
Even if I did drink, never to the point of getting wasted.
"Getting hard for your own little sister? That makes you less than human..."
But back then, sheer willpower wasn't enough to control myself.
So I channeled my lust elsewhere.
I dove deep into porn and hentai.
And that's when I discovered the time stop genre.
"It's fine now. It doesn't even get hard anymore. Just thinking of Ji-su kills my boner. I'm good. Stay cool and collected. Like a pro AV actor..."
Right then, a knock-knock-knock sounded at the door.
She must finally be ready to be sucked.
.
.
.
.
Ji-su wore a plain black cotton tee and black dolphin pants.
"Not here..."
"In... in the living room?"
"Where else?"
Fair point.
It'd be weird anywhere.
My room? Hers? Equally awkward.
"......"
"......"
We sat side by side on the living room sofa.
Just close enough that our skin almost—but didn't—touch.
Even our breathing felt too loud from the tension.
"Should I... take it off?"
I glanced over, and Ji-su was lifting the hem of her shirt slightly.
Her hands trembled as she gripped the fabric.
"No... I'll handle it. Just lie back comfortably?"
"L-lie down?"
"Sitting like this for thirty minutes would be torture for both of us."
"Ah... right..."
I knelt on the floor in front of the sofa.
That gave Ji-su room to stretch out and lie back.
"Alright... here we go."
"Okay..."
I grasped the hem of her shirt and slowly pulled it up.
The feeling was bizarre. I'd thought lifting a woman's clothes was no big deal by now...
Under the black cotton tee, her pristine white stomach came into view.
A slender waistline.
An innie navel.
Eleven-pack abs.
The underboob peeking above her ribcage.
"Whoa..."
The sigh escaped me involuntarily.
A brother marveling at his little sister's tits...
I knew it was straight-up pervert behavior.
But I couldn't help it.
Any man who stays silent in front of tits like these isn't a man.
They looked similar to A-young's, but different.
Park A-young's were teardrop-shaped, fitting perfectly in one hand—while these added a luscious fullness.
And those pink areolas, neither too big nor too small, with nipples shyly tucked inward toward the center.
"Inverted, huh..."
"Y-you don't have to say it out loud..."
"Sorry."
I apologized lightly and grabbed her breast.
"......"
Ji-su bit her lip and covered her eyes with her arm.
Her efforts to stifle sounds and hide her expression only excited me more.
I knew this was wrong. I knew I shouldn't enjoy it.
Mwah.
I pressed a light kiss to it.
Ji-su twitched in response.
I started with the left breast.
Gently squeezing it, I teased the areola with the tip of my tongue.
[Ding!]
[00:30:00]
The thirty-minute countdown kicked off instantly.
I sucked on the breast with my lips while keeping my tongue in motion.
But I held off on pushing my tongue into that pink crevice.
I didn't want to force it out.
I wanted to coax it gently.
"O-oppa."
"...Yeah?"
"The way you're licking... it's too..."
"S-sorry... If I don't do it like this, the time won't go down..."
"O-okay."
About two minutes of softly kneading and working the left breast.
Finally, the left nipple peeked out.
Pop!
"Ngh...!"
Ji-su jolted and swallowed a moan.
I looked up at her.
S-Rank Hunter Ji-su.
Lying on the living room sofa, offering her breasts to me—her little sister with one nipple perked up.
"Th-this... isn't because it feels good or anything..."
"......"
"N-nipples get hard... from stimulation... it's involuntary..."
"It's fine. I get it without you saying. Just relax."
"......"
I took the left breast back in my mouth and rolled my tongue.
Truth be told, I didn't need to swirl my tongue like this. No need to flick the nipple up and down. No need to nibble lightly and watch her reactions.
If the goal was just clearing the mission, holding it in my mouth would've sufficed.
But... how could I?
I bit down hard on the nipple.
Hard enough to make a normal woman scream.
"Eek...♡"
But Ji-su didn't show pain.
My strength was only 3, after all.
Even if nipples are a weak spot, she wouldn't feel it from my measly Strength 3 bite.
Time to pull this one out myself...
I switched to the right nipple.
Still inverted.
I forced my tongue into that pink hole.
"......"
Ji-su writhed silently.
She could shove me off in an instant but endured like the good little sister she was.
Oh yeah... it's coming...
I'd planned to press down on the nipple with my tongue.
Lick evenly inside to build stimulation.
But my tongue was weaker than I'd thought.
Not strong enough to hold down the slowly stiffening nipple.
"......"
As time passed, Ji-su's breathing grew ragged.
Her once-steady breaths turned rough, her writhing more pronounced.
Slurp... Suck...
Sucking one breast, I gently rolled the other nipple with my fingers.
Cupping the breast in my palm, pinching the nipple between thumb and forefinger.
"......"
Ji-su said nothing.
Wasn't sucking enough?
No need to touch with hands, right?
She didn't utter a word of protest.
[00:21:39]
Pretending to breathe, I lifted my head to gaze at Ji-su, still covering her eyes.
The thirty minutes I'd thought would drag on forever...
Felt painfully short right now.