Chapter 21 – 21. If I Knew This, I Wouldn’t Have Studied!♡, A Genius Scientist in Love
※All characters are adults anyway.
“Please slap your cock on Yeeun’s little pussy…♡”
Yeeun noona reached out to me and seduced me.
“Sister!!”
“Kyaa!”
As I am, Yeeun jumps on my sister and hugs her sister’s small body tightly.
I fit into her arms like this, but the older sister and older sister Rani, the gap is so cute and erotic.
“Ah…Why are you so cute…!!”
“Ahhh… I’m out of breath…♡”
Even the way she struggles in my arms is so lovely.
My patience can’t stand it any longer.
My sister’s little little boy is going crazy wanting to insert it into her pussy.
“Nuna, if you’re going to regret it, tell me now. Noona is so cute that if I start, I might really mess it up.”
“Because doing this with you somehow feels good… It’s okay, do a lot of pleasant things…♡”
“Sss… Older sister!!”
ㅡPoo Woo Woo!!
While holding Yeeun sister tightly, I inserted my cock all the way to her sister’s womb.
“Huhhhhh!!!?♡♡ Hhhhh…♡”
ㅡPushwuuu!… Squeak…
At the same time as the insertion, Yeeun noona reached her climax with her waist bent like a bow and her legs stretched out behind her back.
A liquid mixed with tides and other things was dripping from my sister’s little cunt.
“Hoo -ok … Huh ah … ♡ This is a good … I don’t know this feeling … ♡”
My sister gurgles on her back and engulfs my cock in her tiny cunt.
A red liquid oozes from our connections.
Proof of chastity, my sister’s hymen was pierced by my cock and shed blood, letting me know that I just finished my duty.
“Haa… Nuna’s pussy is so tight…!!”
My sister’s cunt was as small as her body.
My sister’s little pussy tightened as if she was compressing my cock, and even though I inserted it all the way to her sister’s deepest depths at once, her cock was only half full.
“Ugh… It feels good to see you, nuna…!”
My older sister is unmistakably famous.
Inside my sister’s little pussy, the vaginal wrinkles wriggled as if they were alive and swallowed her cock.
My sister’s cervix also said that she wanted semen and kissed her glans.
“Huuuuu…♡”
Even though she had just lost her virginity, she felt no pain as she squeezed her cunt tight and wanted her cock.
“Sister, I will incite you a little.”
“Joa…♡ Let’s do it with my little pussy and big cock♡”
ㅡPoo-wook! Fluffy fluffy! Squeak, squeak, squeak!
“Hiyaaaaa!! Cuaaaaa!! Cuuuuu! Ook ♡ heuook!! ♡”
I shook her cock into her little sister’s small body as hard as she could.
ㅡpuuk puuk puuk puuk puuk puuk! Giggling Giggling Giggling!
“Huhhhhh!!?
My sister let out a strange moan every time her cock was stabbed and squirted her juices out.
ㅡ Chew-g-g-g-g-g-g-g-g-g-g-g-g-g-g-g-g!
“You’re so naughty! This little pussy is so good!”
ㅡ Pang pang pang pang pang! Chew-gap-chew-g-g-chew
“Huhhhhh!!♡ Hhhhh!♡ Me, me too, your cock is joaaaaa!!♡”
The scene where my big cock moves in and out of Ye-eun’s little sister’s little pussy is so stimulating.
My sister’s belly bulged every time my cock poked deep inside her, and I could clearly see my cock moving.
This kind of sex is truly the best sex that can only be had with Yeeun noona.
ㅡpuuk puuk puuk puuk puuk puuk!
“Sister, sister…!! Tighten your cock with such a cheeky little pussy!! It’s the best thing to do!!”
ㅡSoupuk, soupok, soupok! Bang bang bang bang!
“Hauuuuu!♡ I don’t know… I don’t know!!♡ I have semen in my pussy!!♡”
“Yeeun noona’s pussy is the best!! It feels good because it’s small and tight!”
“Haaaaang!♡ More…! More more more!!♡ The pussy is puffed up hard!♡”
Even though it’s the first time for Ye-eun’s older sister, she wants sex so intense that her body breaks.
ㅡPang! Fain! Whoop whoop whoop!
“Haa…! Noona is really fucking hot!!”
Every time he bounces his back and inserts his cock deeply, he can clearly see his sister’s belly bulging up to the vicinity of the pit of the stomach.
Being able to violently shove my cock into such a small body made her feel like ejaculation filled her head.
ㅡpuuk puuk puuk puuk puuk puuk! Chupaang chupaang!
“Haa…! Noona, it’s cheap, it’s cheap!”
“No, no, no, no!! ♡ If I wrap it inside right now, I get weird ♡ I feel better and become a fool!! ♡ Please, please, please, don’t do it!! ♡”
As if she knows that if she accepts vaginal cum shot at the end of this violent sex, she will never be able to return to being a normal woman again.
ㅡPuuk puuk puuk puuk! Chew-gap-chew-chew-chew-chew!
“Haa…Ugh! Cum! I’ll cum inside my sister’s pussy! From now on, you’ll be my exclusive pussy!!”
ㅡpuuk puuk puuk puuk!
“If you wrap it up inside, you’ll be wrapped around it…!!!♡ Haaaaagh!♡ Hogok! Hooh…Ok!♡ I can’t go back…!! If I get semen, I can’t go back to normal!♡”
ㅡPuuk puuk puuk puuk pang! Phut! Paang!, Beureureuk! Wow! Beaureureus…
“Huhhhhh!!!?♡ Khhhhh…!!♡♡”
Despite my sister’s pleas, I pushed her uterus up as hard as I could with my cock and ejaculated.
I can see my sister’s stomach swell a little every time the semen pours out.
ㅡBeauty…
“Hhhhh…”
————————————————————
My sister is urinating and groaning like a broken machine.
My sister’s eyes were turned upside down, reaching a level where black people couldn’t see, and the tips of her feet that were crossed behind my waist were curled up, clearly showing that her sister was reaching climax.
Looking at my older sister like that…
ㅡ woo woo woo woo…
“Hiyaaaaang!!!♡”
My cock was tight again.
“Joe, let me rest for a bit… I think I’m going to get really weird… Huh? I can’t live without you…”
You might not be able to live without me.
Are you doing this on purpose?
To say such a thing with such an innocent childish face, such a small body… Now it really makes me unable to live without me.
“Then I’ll make you a body that can’t live without me”
“Et … ♡”
I already have Han Ye-eun, I have no intention of letting her go.
Even as an adult, such a small and fragile body, and even erotic.
Obviously I endured as much as possible.
This is the fault of my sister who has been seduced.
From now on, I will carve the mindset that it is mine thoroughly into her small body.
—-Sure, I change my posture.
“Ugh… Eh? This attitude is inefficient!”
I grabbed Yeeun sister’s legs and put them over her shoulders, then lifted her waist and pointed her toward the sky.
Also known as the mating press, a position in which the male violently slams the female’s pussy.
ㅡ woo woo woo woo…
“Hah !!? Deep !! ♡ I’ll ask! Huh? Please …
The older sister shakes her head and punches her on the floor as if declaring her surrender.
“Sister”
“Huh…”
“That kind of thing sucks!!”
ㅡPoo-wook!
“Haaaaa!!!♡”
ㅡPush! Few!
“With that little body!”
ㅡPoo-wook!
“Ahhhhh…♡”
ㅡ Fu shot … 퓻
“With that expression!!”
ㅡPoo-wook!
“Huhhhhh…
ㅡ squat …
“How can I stand it if you pick and choose words like that!!”
ㅡPoowook!
Holding my sister’s legs, I poked her cock forcefully at the end of her words, and each time my sister spurted the tide.
“Gmma… ㅇ Juge… ♡ Take it out… ♡”
“Do you want to remove it?”
ㅡ Poo Oh …
“Your sister’s pussy bites your cock like this and won’t let go?”
I confirmed it by pulling the cock of my sister’s horse who asked me to remove it.
That my sister’s flesh was gripping my cock.
“Hey! Oh, no… I didn’t do this…”
“Sister, stop admitting it.”
“Later…?”
“My sister’s pussy can’t live without my dick”
“…”
My sister shuts down her mouth to avoid the answer.
“Then what can I do? I lost.”
“…
ㅡ Poo Oh, I start to pull out my cock.
“Oh”
My sister looks unfortunate to pretend
“Why? You didn’t want to lose it?”
“… Don’t …”
“… What do you say? I can’t hear you.”
I look at my sister and deliberately laugh.
Her sister’s sexual desire, which had been suppressed for 23 years, was thoroughly engraved on her body because of me.
My sister can never get out of this pleasure.
My older sister can’t live without me.
“Don’t take it off…”
“What?”
My sister has already admitted that her own body cannot resist her pleasure, but she needs to imprint it more firmly.
My sister is just a female.
“… The cock…”
“If you have something you want, you have to ask you?”
“… Put your cock in it…”
As she deliberately goes out of coercive attitude, she is crying and begging.
To hear such a small woman get stuck in my cock and cry and beg for it is so fucking hot that I want to lock it up and eat it for 365 days.
“Where are you?”
“… In the pussy”
“Who are you looking at? Little genius scientist?”
“Ah… Genius scientist Han Ye-eun’s little pussy…”
Now checkmate.
“If you keep being so passive, I won’t let you in, sister.”
“Ugh… Please…”
My sister lowered her head and then raised her head.
“Please…!!♡ Put your cock in my cheeky little cunt…! I can’t live without your cock anymore…! I beg you please… Please put your cock in my cunt… I can have babies, please…!”
My sister cried and declared defeat to me.
“Good job sister”
ㅡPoowook!
I thrust my cock hard into my sister’s small pussy.
“Haaaaa!♡”
ㅡPoo-wook! Fluffy! Chew-peep-chew-cheep-chew!
“Aaaaa!♡”
ㅡPuuk puppuk puppuk! Phut! Phut!
“Eww! Do you like it better than studying?”
“Yeah…! Woong-woong♡ I’m losing money by studying..!♡ If I knew this feeling was good, I wouldn’t study like that…♡ Sex joaaaaa!!♡♡”
My sister admitted that my cock was better than the studies she had devoted her youth to.
I can’t believe that I completely corrupted my little sister like this.
“Uh! Uh! Serve my cock with a little pussy, you’ll become my exclusive pussy from now on, older sister!!”
ㅡPuuk puuk puuk puuk puuk chump!
“Hahieeeee♡ I’ll do my exclusive pussy♡♡ I’m going to fuck you with Yeeun’s little pussy♡ So please give me more cock!!♡ Give me your cock in Yeeun’s little pussy!♡”
My older sister is now accepting the cock with an amazing look, as if she can’t even maintain reason.
With her eyes closed and her tongue loose and wagging wildly, it’s a woman’s face.
To make such a little sister into a complete female, her sense of joy comes flooding in.
“Nuna… Noona, you’re so naughty! Isn’t it against the law to reveal your cock with a look like that!!”
ㅡPuuk puuk puuk! Phut! Phut! Phut!
“Hogogok!♡ Jade♡ Jade♡ Jade♡ Jade♡ Mia-ae♡ With such a child-like appearance, your cock is so cute, Mia-nae♡”
“From now on, I’ll make you happy with my cock for the rest of my life, sister!”
ㅡChew-gp-gp-gp-gp-gp-gp-pa-ang! Bang bang bang bang!
“Huhh!!… Joaaaaang!♡ Ahhhhh♡”
ㅡSupuuksupuuksufuuk! Chew-gap-chew-g-g-chew
“Ah ah ah ah … ♡ Ahn Ahang … Ah … ♡ Now don’t sleep … ♡ Do not study … ♡ I need to study.”
I feel like I’m really going crazy.
She looks like this and is crazy about dicks like this, she really is the best woman ever.
“Keukssok… Sister’s cum!”
“Ahhhhh… It’s cheap!!♡ Yes, I’m going to cum on my little boy’s pussy!!♡ Yes, I’m going to mark my little body with semen!!♡♡”
“Cum!! In my sister’s little female pussy!”
ㅡ Puff, Puff, Puff! Pang!, Beureureuk! Beaurek! Beaureuk
“Huhhhhh!!?♡ Hoohhhhh”
I spat out semen in Yeeun’s sister’s womb.
Seeing Yeeun’s sister’s little belly swell with semen is too hot to watch again.
“Nuna, there’s still more left! Get pregnant with my semen! What a shame!!”
ㅡPuffpuffpuffpuffpuck! Pang pang pang pang!
“Ho -oh !! ♡ Higok! Hook! Hi -uh !! ♡ I’m not pregnant! ♡ I’m safe today!
“Just get pregnant! Have my baby, puff up your little belly and have sex with me again! Get pregnant with my semen!!”
ㅡChwippok chumpuck chumpuck, puwook! Fu-wook! Puff!
“Ohhhhh, I’m pregnant…♡♡♡ I’m pregnant!!
ㅡPuuk puk puk puk puk ppaang!!, Push uuu!! Clamor clamor…
“Hee woo oh oh oh…♡ Come and go gok..♡ Oh ok ♡ ok ♡ 5 grains ♡”
My sister’s little belly is swollen with my semen.
I wondered if this little body would become like this when pregnant, and my cock got erect again.
“… Fuck! Fuck! Why are you so mean!!”
ㅡPuff! Puff! Puff Puff Puff! Splat, splat, splat, splat!
“Ah ah ah ah … ♡ Do it again …
My sister is feeling me as she drips all her tears, runny nose, and saliva.
“My sister is cheap!! I’m cheap again!!”
ㅡPuu pu pu pu pu pu pu pu puuk! Jjupaang!!, Beaureuk! View! Bet!
“Huhhhhh?
I poured semen into my sister’s womb once more, and her belly swelled up like a pregnant woman at full term.
ㅡchumpooong!, Pulls out the cock from my sister’s pussy.
ㅡPush! Pushoo! Whew!… Whew… Whew!
When he pulls his cock out of his sister’s pussy, the semen that he has been packing all this time spurts out.
The older sister, with her eyes closed, drips her urine.
I hug my sister’s body tightly and feel the afterglow.
.
.
.
“It was so good…♡ I like sex the most… I have to suffer so much that I didn’t know it was so pleasant… It would have been nice if I met you sooner…”
“If so, one of them would have been a crime…”
“I see… Ehehe…”
I hug my sister tightly.
Noona seems to have become a 180 degree different person from when we first met.
Do people change when they first fell in love? I thought, but I definitely think my sister is that kind of person…
“By the way, is your sister so smart despite being so small?”
I’ve been thinking about it all day today, but no matter how I look at Han Ye-eun, I don’t see her as an older sister.
Rather, do you feel like a younger sister?
“There’s a difference between the size of your head and having a good head…”
“Ah, back to the cold tone”
“… I do not like it?”
“Hmm… Rather than saying I don’t like it, it would be nice to act a little more cutely.”
I felt like I had a cute little sister after all, but I feel a little bit regretful.
“Yes…”
“Huh?”
“I didn’t know that sex would be this good until just now, and I wasn’t interested in dating at all…”
—-Sigh, I show my older sister a kind smile.
“…Because of you, I became interested in dating…”
“Does that mean you like me?”
“… Yeah, I like you… I can’t imagine life without you now…”
For some reason, I am extremely happy.
My older sister just said she likes me, but I feel an indescribable sense of happiness.
“Then shall we decide on a nickname?”
“Nickname?”
“How’s the kid?”
“That, what is that! I’m an adult fool!”
“Fu… I just said it because you look like a little sister.
It seemed like a nickname that suited him well, but it’s a pity that he rejected it.
I myself kept being a little kid during sex…
“Hey…”
“Huh?”
“I feel very secure in your arms right now.”
“Huh?”
“So… I just want to act cute… I want to be praised… It’s such a strange feeling…”
Is it because I feel love for the first time in 23 years?
In addition, first love is a powerful law, and today my older sister has had a series of powerful first love and powerful first experiences, so she will probably have to do it without me for the rest of her life.
“… I want to call you brother…”
“Uh?…”
“No?”
‘Oppa’… What a good resonance.
My heart is pounding.
Looking at the outside and even looking at the way she speaks now, I feel like her heart will explode when I hear that the younger sister character, who is more perfect than anyone else, is hugged by me and called my brother.
“But, isn’t your older sister older? To call your younger sister an older brother…”
“Can’t you…? Oppa…”
Yeeun’s older sister looks up at me and pushes herself.
This is really against the rules.
Anyone can see that if her perfect sister character calls her brother, she has no choice but to allow it…
“… Okay”
“Really?”
Ye-eun’s ‘older sister’, no, Ye-eun’s ‘younger sister’ expression suddenly brightens.
“Hehe… Oppa!♡”
“Wow…!”
Warak Yeeun came to me.
“Oppa… Oppa… Stroke your hair…♡”
Is it a reaction that I have been studying all this time? Or is it like the imprinting effect of first love? People have really changed.
ㅡssutdamssdam
“Hehe♡ Nah… I guess I’ve always wanted to be taken care of by someone… It’s so nice to be in your arms like this…♡”
“I-I’m also happy that I have a younger sister…”
“It’s not sister! Please use short words…”
“Yeah, but suddenly you’re using short words…”
“But, did you say that my brother has secretly changed his tone since a while ago?”
“Ah… Have you heard?”
“That’s why I’m talking nonsense! I’m my brother’s sister!”
“… Ok yes eun”
“Hehe♡”
Shit.
So cute.
My first impression was that it was a cat that would scratch if touched by a cheeky kid, but now it’s a dog wagging its tail.
Plus, except for the fact that she’s older than me, she’s a perfect little sister from one to ten… She’s so cute I’m going crazy.
“Brother Brother”
Her sister calls me cute. Shit…
“I want to do it again…”
“Uh… Huh?”
“Don’t you want to have a brother?… Sex with your sister…”
‘Little sister sex’ At that moment, something inside me disconnected.
“Kyaa!”
“Is the crime of provoking your brother big?”
“Oh, oppa…♡”
—-Tududuk, I hear something falling somewhere.
“Uh, sis!”
Seo-rin and Da-yeon were standing there.
