Mom is a slut, my younger sibling is a bully, and Dad is a thug-Chapter 63: I Couldn’t Help Myself Because My Arrogant Sister’s Breasts Were Too Lewd (18+)

Chapter 63: Chapter 63: I Couldn’t Help Myself Because My Arrogant Sister’s Breasts Were Too Lewd (18+)

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Chapter 63: I Couldn’t Help Myself Because My Arrogant Sister’s Breasts Were Too Lewd

What is this?

W-what kind of situation is this?

I stared blankly at her cleavage for a moment before coming to my senses and asking.

"W-what are you saying? Money for touching...?"

"Why are you suddenly acting like a prude?"

"N-no... we’re b-brother and sister... that’s not right..."

Even as I said this, I realized I had no right to talk, having raped my unconscious mother just this morning.

Mi-hyun laughed at me and said:

"If it’s wrong for siblings to touch each other, why did you touch my tits for free? Huh?"

"Uh..."

"Pervert brother~ Should I tell Mom?"

"...Sorry."

"See? If you’re sorry, pay me to touch them. You’ve already done it once, so why can’t you do it twice?"

Kang Mi-hyun, who had just become an adult this year, was a school bully.

Even as an adult, she was still a bully.

This was because she had been held back a year and had to attend school for one more year.

Of course, Mi-hyun hadn’t become a bully just last year.

Since elementary school, she had belonged to the so-called "troublemaker" group.

By the second year of middle school, she had completely gone astray.

To such a Mi-hyun, her brother Kang Hyun-seong was somewhat special.

...Not that she had a brother complex or anything.

It’s just that in this poor and vulgar family atmosphere, she couldn’t help but compare herself to him, who had grown up as a model student.

While it was annoying to be compared to her brother, and sometimes she even felt inferior, she also felt a sense of respect and reliability toward him.

Although they were twins born just 5 minutes apart, unlike her—who was still impulsive and emotional like a child—her brother seemed rational, calm, and somehow mature, naturally making him feel like an older brother.

So she relied on him without realizing it, and though it was a bit embarrassing to admit, she found him "dependable."

She didn’t show it openly in front of her friends, but she was secretly proud of having a good student for a brother.

But that brother...

Earlier this year.

He touched her breasts while she was sleeping.

And not just touching—

She clearly saw him masturbating while touching her breasts through half-opened eyes.

"Crazy... isn’t he a crazy bastard?"

But she couldn’t scream because, truthfully, Mi-hyun also had something to hide.

Just before that, hearing her mom and Kwak Young-cheol having sex, she had become aroused without realizing it... and had masturbated right next to her supposedly sleeping brother.

She didn’t know he was actually awake...

Seeing that, her brother became aroused and grabbed her breasts, masturbated, and ejaculated hot semen on her thigh.

So she felt scared and confused.

But on the other hand?

She was slightly excited.

Learning that her brother Kang Hyun-seong—who had grown up as a model student, completely opposite to her, a dumb bully, and was unilaterally favored by their mother—

Was actually a pervert who got aroused by his sister’s body and masturbated while touching her breasts as she slept.

It somehow gave her a sense of satisfaction.

"What? So in the end, my brother is just like that too."

She felt like he was "family"—with vulgar and lewd aspects like her mom, dad, and herself.

Parents who openly had sex next to their children.

Both were terrible people.

And she, a school bully who had given up on studying since middle school, was afraid she was heading toward a failed life like her mom and dad whom she disliked so much.

So she felt somewhat inferior when compared to her brother.

But to learn that even her brother was a slave to sexual desire.

And today.

Having a brief appointment, she dressed simply and went out to play with a friend, then came back home.

She discovered her brother masturbating while watching some lewd video.

And...

Using her panties, which she had carelessly taken off, as a masturbation tissue.

So at first, she acted playfully, seeing it as an opportunity to extort money from her brother.

She asked if it felt good to masturbate while touching his sister’s breasts and threatened to tell their mom.

Seeing her supposedly perfect brother squirm was both funny and satisfying.

And she was also a bit greedy for money, so,

She forcibly sold the panties he used for masturbation for the hefty sum of 250,000 won.

But then, the atmosphere truly became strange.

Like a train with broken brakes, she got caught up in the mood and jokingly said, "I’ll let you touch my breasts if you pay me."

"..."

At some point, the room felt hot.

After an awkward silence,

"How much will you pay?"

"...I’ll give you 100,000 won."

"..."

"1...150,000 won... maybe?"

"..."

Her brother actually named an amount.

As if he was genuinely aroused and wanted to touch his sister’s breasts.

At first, she just wanted to tease him.

But when it became UFC instead of WWE, it got quite thrilling.

However, Mi-hyun didn’t want to lose this battle of wills with her brother.

Plus, he offered the substantial amount of 150,000 won...

She was tempted not to refuse.

Recently, the allowance from Mr. Kwak Young-cheol had decreased, and her extravagant spending habits had left her short on money.

It was like riding a tiger.

Like being forced to run down a mountain while holding onto a tiger’s back,

Mi-hyun smiled calmly on the outside but was sweating nervously inside.

"This... this isn’t right. I didn’t mean to go this far..."

But despite her slight regret, a promise is a promise.

When her brother handed her 150,000 won with trembling hands,

Mi-hyun, as if pushed by something, began unbuttoning her school uniform in front of her brother.

Gulp.

Somehow feeling nervous, her hands trembled, and her face naturally turned red.

"I don’t care anymore..."

Her hands moved on their own, unbuttoning everything...

After hesitating slightly, she opened her top wide.

"H-how is it? You pervert. Do you like it?"

"...Yes."

"..."

He likes it?

Really?

Crazy bastard...

But Mi-hyun, wanting to appear stronger in front of her brother, pretended to be calm and pulled his slightly trembling hand.

"Touch them."

But...

She thought he would hesitate a bit.

Her brother’s hand grabbed her breasts without any hesitation.

Such an unexpected touch.

Just the natural touch made her body tremble.

"When you touch them like this... do you like it too? Huh?"

"..."

Though she didn’t respond, her brother’s hand gripping her breasts tightened,

and his breathing became rough, as if excited.

An empty house.

Just the two siblings.

The sister telling her brother to touch her breasts for money,

and the brother actually paying money to fondle his sister’s breasts.

"Ah... this feels strange."

The atmosphere had truly become strange.

"Ha... ha..."

Moreover, her brother’s eyes seemed to have a dangerous red glow.

It was scary to Mi-hyun, but at the same time, it was somehow exciting.

"Is he really getting aroused touching my breasts...? Does he want to fuck me?"

What if her brother pounced on her?

Thinking about it, she naturally imagined it.

The image of herself being roughly raped by her brother.

"Ungh..."

At that moment, her brother slightly scratched her nipple with his fingernail.

A moan escaped her without realizing.

"...Ha... ha... Mi-hyun."

Frighteningly, her brother approached her more and more, as if genuinely aroused by his sister.

Mi-hyun felt increasingly scared but also felt her pussy tingle with a chilling sensation.

And without realizing it, she impulsively blurted out to her brother:

"...Do you like your sister’s breasts that much? Huh? Then masturbate in front of me like last time..."

Why did I say that?

Mi-hyun regretted it immediately after saying it...

but it was water that couldn’t be taken back.

"...Do you like your sister’s breasts that much? Huh? Then masturbate in front of me like last time..."

If there was a red switch in the relationship between me and my sister,

it was probably this statement.

Before this statement,

it was just a mishap.

A joke.

We could have resolved it and moved on as if nothing happened.

But the moment Mi-hyun said that.

Intoxicated by the increasingly strange atmosphere, both my sister and I went down a path of no return.

"...Really?"

"...Yes."

To be honest,

Mi-hyun’s breasts felt really good.

She said they were 70G cups, but looking at her bra, it seemed like she was wearing a bra one size too small, making it very tight.

They were huge breasts, almost H cups.

She sold those large breasts to her own brother for money, how vulgar.

Indeed, our mother’s lewd blood hadn’t gone anywhere.

This arrogant girl.

At first, I was at a loss when she confronted me,

but as time passed, I also became excited while touching Mi-hyun’s breasts.

Of course, I had no intention of crossing the final line.

"...Do you like your sister’s breasts that much? Huh? Then masturbate in front of me like last time..."

That is, until she said those words.

Looking back, it seemed like she had carelessly blurted it out trying to act tough,

but perhaps I had inherited my father’s blood...

I wanted to tease and torment her.

This arrogant sister.

Let me correct myself.

If I had sex with my own mother,

how could I not have sex with my sister?

So I removed the panties that were still covering my penis and showed my bare penis to Mi-hyun.

"..."

"..."

Mi-hyun’s gaze shifted to my penis and didn’t move away for a while.

Strangely, my penis became even more erect and throbbed under my sister’s gaze.

"...It’s bigger than I thought?"

"It is, right?"

"Yes."

After that, an awkward silence hung in the air,

but the atmosphere had already become too erotic.

"...Can I suck them?"

"Huh?"

"Your breasts."

"..."

Now Mi-hyun hesitated, but aroused, I grabbed one of her wrists and took her large breast into my mouth.

Honestly, I couldn’t help myself.

Even though she was my sister, she looked too lewd.

I couldn’t resist these lustful breasts anymore.

Now, whatever happens, happens.

So I just lightly licked her erect nipple with my tongue, and

"Ah! Ahng!"

Mi-hyun’s lewd moan burst out, tickling my eardrums.

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