19화 19화. 이렇게 큰 자지는 반칙이잖아
My sister’s tongue, which had been hesitating, finally began to move.
It was a slow, lingering stroke across my labia, but even that alone made me feel incredibly hot and wet.
“Mmm…♡”
“Huuuuh…♡”
It was a different sensation from when I’d sucked my sister’s cock whilst in heat after masturbating.
Something was welling up from within, yet it was also warming me.
I kept feeling that sensation.
“Huuuuh…♡ I love it…”
“Chuuuup…♡”
“Hnggyaaaang♥”
“Chuuuup♡ Chururururup♡”
My sister’s lips enveloped my clitoris and sucked it in hard.
Being teased relentlessly by the tip of her tongue made me let out a tremulous moan.
“Hngh-yaaaang♥”
“Chuuur-eup…♡ Runi, how else would you like me to please you?”
My answer to that question was to touch my sister’s cock, which had begun to bulge through her clothes.
“Put it in…♡ With this… Fill Runi’s pussy… right up to the brim…♡”
As I said this, I was already grabbing hold of her skirt to lift it up.
The moment I slowly, very slowly, pulled her skirt up.
-Thud!
“Ugh!”
Her rock-hard cock sprang up and struck the tip of my chin with force.
“Ugh… that hurts…”
“Are you alright?”
“Yeah, I’m fine… uh…?”
As I answered my sister’s question whilst rubbing my chin, I witnessed an unbelievable sight.
My sister’s cock looked even more imposing than usual, twitching non-stop and oozing sticky pre-cum.
It looked even bigger than when I’d taken her cock all the way down to the base.
I’d only made her lick my pussy, so why on earth had it grown this big?
“Why is it… so big? It wasn’t this big before.”
“Well, maybe Runi’s aggressive style turned me on.”
“Gulp… Slurp…♡”
“Ugh…”
As if spellbound, I licked his cock, which twitched incessantly without a moment’s rest.
The heat was just as intense as its size.
It felt as though the tip of my tongue might get burnt.
“Slurp… slurp… slurp…♡”
After licking it a few times, she pressed her lips against it.
She could feel the pulsing veins vividly.
“This is… a bit much, isn’t it…?”
I instinctively realised that it would be impossible to take this cock all the way down to the root with my mouth.
But…
-Squeeek!
“Huuu…”
Perhaps it would be possible with my pussy.
I got up from my seat, spread my legs, and rubbed the tip against my entrance.
I was already soaking wet, so it was the perfect time to take it in.
The question was whether I’d be able to keep my wits about me once this cock was inside me.
“Haa… Sis… I’m going to put it in…♡”
-Thud!
“Mmmph♥”
-Thud!
“Haaah♥”
It’s only about halfway in, but it feels as though my pussy is about to burst.
Under normal circumstances, going any further would have been impossible, but today, it felt as though my womb had dropped a little lower, signalling that it was entirely possible.
“Phew…”
“Runi, you don’t have to push yourself.”
“Nooo…♡ It’s not that I’m pushing myself… it’s just… I want to… I want to have sex… with you…♡”
After taking a few deep breaths to completely relax my body.
-Plop!
“Ooooh♥”
I pushed the remaining half into my pussy in one go.
Just that alone made my mind go completely blank, and my vision began to blur.
To think such a huge cock could fit inside me.
Even though I’d tried my hardest to take it in, I simply couldn’t believe it.
My sister grabbed my hips. When she tried to start moving slowly, I shook my head from side to side.
“I… I’ll move…♡”
If I left it to her, I felt like I’d pass out foaming at the mouth after just a few thrusts.
“Hngh…♥ Ahhh…♥”
-Thud!
As I struggled to lift my hips, the cock, sticky with my juices, slowly revealed itself.
It twitched, trying to stretch my perfectly fitting pussy even wider.
“Heh-heh-heh-heh♥ Huuugh♥ Hyaaaah♥”
Once, twice, three times.
Moving at an infinitely slow pace, I gave myself time to adjust to my older sister’s massive cock.
“This is the first time Runi’s moved.”
Up until now, I’d only ever been on top of my sister, surrendering my body each time—I felt as though I had no sense of self.
This is the first time.
It’s my first time, yet my sister’s cock is so hard I can barely handle it.
“Haa… Huuu…♥ My pussy… feels like it’s going to burst…♥”
“Shall I move?”
I shook my head from side to side once more.
“Huu…”
After calming myself with a deep breath, I placed my hands on either side of her hips.
-Thud! Bang!
“Huh-huh-huh♥”
Moving only her hips, she thrust down a little harder.
The glans struck the entrance to her womb hard, causing it to bulge, and a vulgar moan burst from her lips.
“I, I’m… going to… ♡”
-Thwack! Thwack-thwack! Thwackkkk!
“Ugh… Runi, if you move like that all of a sudden…!”
“Hyaaah♥ Hihihii♥ Huuuaah♥”
It seemed she’d got used to it a bit, so I concentrated on shaking my hips.
Just then, my sister sat up.
“Why is it so adorable that you’re trying so hard to relieve my fatigue?”
“W-what are you talking about… S-suddenly…♡”
Her gaze, which had been filled with utter bewilderment just a moment ago, had changed completely.
A gaze that seemed to warm me just by looking at it was directed at me.
“You shouldn’t be this adorable.”
“Hmm…? Huuugh♥”
To be told I’m adorable whilst wiggling my hips so shamelessly.
I wonder what on earth is going on here.
My pussy kept tightening around his cock, craving him to thrust even harder.
In stark contrast, my eyes, locked with hers, were yearning for her to look at me with even more tenderness and warmth.
“Mmm…”
“Ugh…?”
My sister pulled me close and pressed her lips against mine.
Startled by the soft sensation covering my lips, I paused the movement of my hips for a moment.
“Mmm…”
There was no way to stop my sister’s tongue from slipping inside my mouth.
No, I didn’t want to stop it.
I just wanted to savour it.
“Mmm…♡ Mmm… Mmm…♡”
I began to move my body again, matching the rhythm of my sister’s tongue.
This time, I didn’t just move my hips; I started moving my whole body, making my sister’s cock feel good.
“Huuu…♡ Hyaaaahhh♥”
Because his cock was so enormous, moans would burst out of me even whilst we were kissing.
“Uh, big sis…”
“Hmm?”
“A cock this big is cheating…♡”
Barely holding on to my fading consciousness, I shared my thoughts on her cock.
-Thud!
“Gulp♥ W-what…?”
Then, starting with a violent twitch, my sister’s cock grew even larger.
Can it get any bigger than this?
It was a situation I simply couldn’t believe.
From the moment I first saw it, it had been erect and much thicker than my forearm, so I thought it was impossible for it to get any bigger.
But that impossible thing became a reality.
“It’s because Runi’s got me so turned on. This is all Runi’s fault.”
“Ugh… W-what do you mean by that…♡”
-Smack!
Once again, my sister’s lips met mine.
“Since you’re the one who’s turned on, you'll have to take responsibility, won’t you?”
My mind went completely blank; I had absolutely no idea what to say.
“Haaahhh♥ Uh, yeah…♡ Horny Runi… I’ll take care of your cock…♡”
I blurted out those words without thinking.
-Bang! Bang bang! Bang!
“Heh-grrrr♥”
I barely managed to lift my body with my trembling legs, then let my strength go.
My pussy sank straight down, swallowing my sister’s cock right to the very tip, very roughly.
“Runi, your breasts look delicious.”
“S-suck them… my breasts too… suck them all…♡”
She pulled me close and took my areola and nipple into her mouth in one go.
Her tongue, which had been moving gently just a moment ago, now began to move in a very vulgar manner.
“Slurp…♡”
“Huh-huh-huh-huh♥”
She spread her tongue wide and licked me viscously, then proceeded to flick my nipple rapidly with just the tip of her tongue.
My nipple, swollen to its limit, trembled mercilessly under the tip of her tongue.
“Haa… Hmmph… Sis… I’m, I’m going to come…♡”
“Slurp…♡ Yeah, I think I’m going to come soon too.”
At those words, she moved her body a little more vigorously.
So that it would keep being pounded before her womb, stretched by her sister’s cock, could even return to its original state.
“Huuugh…♡ Huuughh♥”
-Pa-a-aang! Bang bang bang!
She increased the pace slightly, pressing down with such force it felt as though she might burst her sister’s cock.
“Ugh… Ru, Runi…”
“Haaahh♥ O-oh, sis…♡ I-I’m going to… Runi’s little room…♡ I’m going to cum all over it… Huuuuhhh♥”
-Burrrrrr!
Just as he thrust upwards as if to pull out once more, then plunged back down in one swift motion, my sister’s cum filled my womb to the brim.
As a warm sensation spread through me and my womb trembled with the stimulation, I briefly lost consciousness.
“Ugh…♡ Ahhh…♡”
My sister, who had been letting out soft moans, wrapped her arms around my waist.
Whenever his cock twitched inside me, my body twitched along with it.
It was only after he had emptied himself completely, as if determined not to spill a single drop, that I was able to get off him.
“Haaah… Haa…”
“I’m going mad. What am I going to do from now on?”
“What do you mean…?”
“Now that Runi’s gone this far with my cock, I’ll be milked dry until there’s no more cum left.”
My face flushed bright red in an instant, and I wrapped myself in the duvet to hide it.
“I, I don’t know…!”
“Now that the sex is over, you’re back to your usual self, Runi. You’re so cute.”
“Ugh…”
It’s all because my sister only gave me vague stimulation and stopped there.
If she hadn’t done that, I wouldn’t have got so horny that I started moving on my own.
“Runi, would you mind reciting the contract for me?”
“The contract… now?”
“Yes, right now.”
Faced with a proposal whose intent I couldn’t fathom, I peeked out from under the duvet and blinked.
Why on earth had she suddenly brought up the contract?