You shouldn't do this to your sister's friend♡
You shouldn't do this to your sister's friend♡
## Chapter 006
Song Su-a's shocking honest remark made Lee Do-jin's mind go blank for a moment.
Noona is still... a virgin?
Twenty-eight years old?
And... wants to do it raw?
'Ugh....'
Now that he was conscious of it, standing became difficult. What had been so familiar that he'd grown numb to it... Song Su-a's sexy attire looked different.
'I-If you'll excuse me....'
A dress that clearly revealed her figure.
Shoulder straps too thin to support her large breasts.
A wide pelvis compared to her slender waist... and white buttocks and thighs that seemed like they'd be fully exposed if the hem rolled up just a bit more.
Her nape was pure white, her collarbone exposed. In contrast, her face was flushed... strangely lewd and cute.
'It looks like her nipples are slightly erect too....'
Gulp.
Lee Do-jin's gaze and demeanor changed.
Noticing that, Song Su-a felt her nipples stiffen and her pussy get wet.
'Do-jin is looking at me...♡'
The gaze that used to dismiss her now greedily explored her entire body.
Her lips parted slightly, releasing hotter breath than before... She wanted to use a condom.
On whom? On me... With that unconscious flow, Song Su-a quickly put the condom in the trash can and changed the subject.
"W-Who...♡ must have planned to do it in a place like this. So, so dirty."
"Should we move rooms?"
"It's not necessary... It'd be like making a fuss."
The bed was clean except for the hidden condom. Song Su-a quickly sat on the bed to hide her wet inner thighs.

'Should I have chosen the recliner room? Ah, no... Still, I can lie in the same bed with Do-jin♡'
"What should we watch? There's a decent movie on OTT lately... Ah. This one's already out. I haven't seen it yet either."
Lee Do-jin carefully sat next to Song Su-a.
A super single bed, perfect for one man to lie on, but a size that requires a couple to be quite close if they lie together to watch a movie.
"Aren't you uncomfortable? You could come a little closer...♡"
"A-Are you okay?"
Song Su-a mustered a little courage. She reached out and grabbed Lee Do-jin's waist.
"If you're perched on the edge like that, I'm more uncomfortable. So move inside...."
- Sweep.
She moved her legs, pushing her hips that were hanging off the edge inward. Then, suddenly, their legs became tangled.
'Ah...♡'
'A-Are you okay?'
Somehow, one of his legs ended up between Song Su-a's thighs. He tried to quickly pull it out, but that seemed too conscious, so he stopped.
Their upper bodies also got closer. It felt like they had chosen the wrong room.
Their faces were too close, and the noona friend's grape-like scent penetrated his nose, dizzying him.
The only place to avert his eyes was the beam projector screen, but he couldn't focus on the movie.
If he lowered his eyes just a bit, Song Su-a's deep cleavage came into view.
... Eventually, he was caught stealing a glance at her breasts.
"You keep...♡ not focusing on the movie since earlier."
Song Su-a gathered a bit more courage.
"... Do you want to see here that badly♡?"
She pulled down the clothes that had been covering her breasts with her hand. Beyond her cleavage, even her navel was fully exposed. A stronger scent of her pheromones flowed out, igniting Lee Do-jin's lust.
"You're not hiding that you've been staring at my breasts♡ Really, you've become an adult and now you're a beast♡ If you look at noona's friend's breasts like that, what do you think I'll think?"
"I-I'm sorry."
"Lewd thoughts, right♡"
For a moment, Lee Do-jin thought he misheard.
Song Su-a whispered softly in his ear... so that no one but Lee Do-jin could hear, as if it were the world's greatest secret.
"Every time Do-jin looks at me with those lewd eyes, I also think lewd thoughts...♡"
Song Su-a slowly, slightly lowered her shoulder strap.
"I want to press you down with my whole body, crush you, make you mine, kiss you. But that doesn't look good, does it? How can I do that to my friend's younger brother who's eight years younger and just got his first taste of adulthood? Right?"
His heart pounded. It felt like it would stop.
At Song Su-a's confession, Lee Do-jin felt blood rush to his lower body.
"I can't make the first move. But Do-jin-ssi... could you do as you please? If I keep quiet, no one will say anything."
"C-Can I really... touch Su-a-ssi?"
"You can, but...♡"
When Lee Do-jin was much younger, he used to call her 'Su-a noona♡ Su-a noona♡'. Around the time he entered high school, he hit puberty, and suddenly he only put up a wall with Song Su-a and started using honorifics. Song Su-a actually didn't like that.
"When you touch me... call me noona."
"N-Noona...."
Trembling, Lee Do-jin reached his hand toward the breasts that had been tempting him from inside the dress.
"Ugh...♡"
Even through the soft fabric, he felt a squishy texture. It was the first time he had openly touched a woman's breasts like this.
"Ah...♡"
"D-Does it hurt?"
"No...♡ I'm so excited, my nipple patch fell off♡ My nipples are on the larger side."
The nipple cover that had been serving as underwear fell off.
As she said, unlike before, the outline of her stiff nipple was clearly visible even through the clothes.
Lee Do-jin, who had been carefully kneading them as if handling a precious jar...
Upon seeing that, he violently pulled down her dress.

"Ugh...♡"
Her pure white breasts were instantly revealed, her nipples glistening. Song Su-a trembled, breathing short breaths that were almost sweet, her hands shaking.
'S-Suck me♡ Suck me greedily, slurp and bite, I've always thought that since high school, I wanted to be sucked by you♡ This is my first time, saved for you for 28 years♡'
What she had only imagined was about to happen.
She wanted to pull her friend's younger brother against her chest and rub her breasts against his lips right now. But she held back.
The choice was Lee Do-jin's.
A 28-year-old Song Su-a making the first move and touching a 20-year-old Lee Do-jin could be looked down upon as dirty.
But the opposite was different.
'Do it♡ Please♡ Stop pinching and suck me♡'
"Heeugh...♡"
Song Su-a just looked at Lee Do-jin with trembling eyes.
It wasn't hard to understand the meaning of that gaze.
Because her body was telling him what it wanted.
'... Can I suck Su-a-ssi's breasts?'
Suddenly, that question arose.
One of Korea's top S-class Hunters, beautiful, rich, and a woman of marriageable age who gets along well with men.
Could a rookie like himself, just turned twenty with nothing accomplished, suck her breasts... and become deeply involved?
Lee Do-jin didn't think he could take responsibility for Song Su-a.
Honestly, he didn't think he could love just one woman.
He saw Song Su-a as a woman too.
He saw Ryu A-rin as a woman too.
He even saw Lee Seo-ha, whom he once thought was his real older sister, as a woman.
Perhaps because he had been close to his noonas since childhood... he liked all three equally, unable to rank them.
If his relationship with Song Su-a progressed further here, would he have to refrain from looking at other women for the rest of his life?
Perhaps the relationships between the noonas, which were going so well, could also collapse.
'If the noonas' relationship becomes distant because of me....'
Song Su-a noticed Lee Do-jin's internal conflict.
She was not in her right mind due to her surging sexual desire.
An age where she should have lost her virginity long ago, a man she might accept for the first time in 28 years.
Her patience had run out.
"... Don't think too deeply♡ Just do what you want♡ I'll keep it a secret from the noonas, okay♡"
"Y-You'll really keep it a secret from the noonas, right?"
"Yeees, of course...♡ How could I say it? That I gave my breast to my friend's younger brother...♡"
At those words, Lee Do-jin finally crossed the line.
- Hap!
- Chubeup!...♡ Jjup, Jjok, Jjo-ok...♡
"Heu, Heueut♡"
He put the sweet-scented fruit into his mouth.
He sucked the bumpy, soft nipple with his lips, then unable to hold back, he took a big bite of her breast, filling his mouth with her flesh.
Then a moan burst from Song Su-a's mouth.
"Hua? Eut...♡ Hik♡"
He looked up with his eyes to check on her.
He couldn't tell if she felt good or if it hurt.
It seemed fine, so he sucked the breast that filled his mouth, gently rolling her nipple with his tongue...♡
"Hyaang...♡ Hyaaat, A, it's not right...♡ S-Sucking like that, stirring...♡"
- Deopseok!
Lee Do-jin, overcome with affection, pulled her head and hugged her tightly.
"Eheu, heua...♡"
Song Su-a began moving her hips unconsciously, using Lee Do-jin's firm leg that touched between her legs as a masturbation tool.
"I-I'm sorry♡ B-But I can't hold back...♡ I've been waiting for the day Do-jin would suck me♡"
"I liked you too, noona."
"Ek, Eek♡"
He felt her nipple grow even larger in his mouth. Her hips trembled repeatedly, and somehow his pants seemed slightly wet.
'Gaat, Gaaat...♡'
"Eheut, Eeuhheuuu...♡ I'm going...♡ Keep sucking...♡"
Since she seemed to like it, he didn't stop... then Lee Do-jin got a little greedy.
"Eubeup...♡"
He blocked her mouth that kept letting out moans.
The moment their lips met and entered her sticky mouth, Song Su-a extended her tongue like a carnivore that had bitten into bait. Of course, it was her first kiss too. She didn't know how to give a pleasant sensation when their tongues entwined.
But instinctively, she knew. The greedy, vulgar kiss of a woman approaching thirty began.
'Kissing Do-jin...♡ Kissing a newbie in the workforce♡'
- Chuu, hust, jjok, chureup, rero rero...♡
Lee Do-jin was a little flustered. He had greedily stolen Song Su-a's lips, but then he was dazed by her tongue moving as if it were eating his brain. It felt like someone was imprinting only pleasure into him while he stayed still. Song Su-a stole the saliva that filled his mouth, making him thirsty.
Then Lee Do-jin also began stealing her saliva. They exchanged saliva, their tongues tangled, licking each other's tongues and palates, fighting.
'Heheu...♡ Kissing is good...♡ I want to kiss Do-jin every day♡ You shouldn't do this to noona's friend♡'
The S-class Hunter who toyed with enemies with cool, intellectual, and calculated movements was not here.
There was only a bitch craving love from a man much younger than herself.
While kissing, Lee Do-jin caressed her breasts...
He pushed his leg toward the noona's pussy.
- Kkuuk, Kkuuuk.
- Byu bit, byu bibi bibbit...♡
"Haeu?"
Stopping the kiss, Song Su-a started in surprise, a bitch-like sound flowing from her mouth.