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Chapter 66 - Chapter 66: It's Hard to Swallow My Brother's Semen! (18+)

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Chapter 66: It's Hard to Swallow My Brother's Semen! 

Having your own brother's genitals in your mouth isn't exactly a pleasant experience. 

Actually, the act of sucking a man's penis doesn't really give a woman anything in return. 

At least that's what Kang Mi-hyun thought. 

'Damn, my knees hurt' 

Kneeling on the cold bathroom tiles, 

she sucked her excited brother's penis with her mouth full, looking up in an uncomfortable position. 

-Slurp, suck! Slurp! 

If this were inserted into her pussy, it would stimulate her erogenous zones and make her feel really good. 

Conversely, if her brother licked her pussy, that would be extremely exciting too. 

But for a woman, sucking a man's penis itself wasn't exciting at all. 

There are no erogenous zones in the mouth, 

the position is uncomfortable, 

"Gulp?! Gugh" 

"Haa...! Haa! Ah...ah!" 

Sometimes like this, he would get excited on his own and the glans would reach her throat, causing her to gag... 

"Ah... it feels so good... I'm going crazy, Mi-hyun... ah!" 

But Kang Mi-hyun often gives fellatio to men. 

What's so special about this penis, 

that when she sucks it with her mouth and rolls her tongue a little, they all lose their minds. 

Looking up at them from below, they look foolish, which is somewhat cute... 

And there's also a sense of satisfaction in making the boys cum. 

There's no physical pleasure, but there is mental satisfaction. 

And then, 

'Is it okay to do this with my own brother?' 

She had sucked many other boys' penises, 

but sucking her own brother's penis was a first. 

That's why it was more thrilling and made her heart pound harder. 

Mi-hyun, not being particularly articulate, couldn't explain that it was a 'sense of betrayal' from breaking moral norms... 

But she was feeling a strange sense of liberation and pleasure from doing something she shouldn't. 

'I'm really crazy...' 

It was fine up to the point where she blackmailed him for money because he was masturbating with her panties. 

But how did she end up saying he could touch her breasts if he paid? 

'Why did I do that?' 

It was another stupid, impulsive mistake. 

And even now. 

'Why did I come in while my brother was showering and flirt with him?' 

Kang Mi-hyun herself didn't understand. 

Of course, while she didn't fully understand, she vaguely felt it. 

The excitement she was feeling now while doing these unwholesome things with her brother. 

Her heart was pounding, but was it because of guilt, fear, tension, or a sense of betrayal? 

This feeling like her head was spinning and floating on clouds was confusing. 

It was a strange feeling she had never experienced before, something she couldn't feel in normal sex with the school bullies she had been with. 

So Kang Mi-hyun felt her pussy tingling with sexual excitement that she normally wouldn't feel while sucking her brother's penis. 

Crouching on the bathroom floor, she masturbated, fingering her own pussy while servicing her brother's penis with her mouth. 

Slurp slurp suck 

With her mouth, she sucked her brother's large, hard penis (she deliberately told her brother it was average, but it was actually quite large compared to the penises she had seen so far), 

With her fingers, she skillfully rubbed her clitoris. 

But to be doing this in front of her brother who was looking down at her 

'Ah, I must look so lewd? What if my brother is disappointed in me for being a dirty girl?' 

Feeling a bit of shame and embarrassment, she looked up to gauge her brother's reaction. Of course, still with his penis in her mouth. 

But her brother's eyes didn't show any sign of reproach. 

They were the same eyes as all the men who had fucked Kang Mi-hyun before. 

The typical eyes of boys burning with lust, as if they wanted to violate Mi-hyun's pussy right away. 

To receive such a look from her own brother. 

It gave her a chilling feeling and... 

Strangely, a feeling of pride. 

And thinking that her brother looked somewhat cute like this, Kang Mi-hyun sucked his penis faster. 

"Do you wike it, bwother?" (Do you like it, brother?) 

She spoke with slurred pronunciation, with his penis tightly in her mouth. 

"Mmm... ah, I'm, I'm going to cum..." 

"Go ahead! Mmph... mmph, slurp... in my mouth~! Cum!" 

With my sister's permission to cum in her mouth, 

I was incredibly stimulated by the thought that I could have my 8th ejaculation of the day inside Mi-hyun's small, pretty mouth. 

Then suddenly, I remembered how Kwak Young-cheol grabbed my mom's head and thrust all the way into her throat. 

'...I want to try that too' 

Impulsively, I grabbed Mi-hyun's head, which was quite small compared to average girls, with both hands, and it fit completely in my hands. I realized how fragile she was compared to me, a robust man. 

If I were to rape Mi-hyun like this, she could struggle and scream, but she couldn't do anything pinned under my body, could she? 

'I want to do that too' 

The sadistic impulse that followed. 

Normally, I wouldn't have dared to do this—I didn't even recognize that incest itself was a problem—but I deliberately, intentionally pushed my penis deep into Mi-hyun's throat. 

"...???" 

When my glans forcibly penetrated her throat, Mi-hyun's eyes widened in surprise, which looked extremely cute. 

Honestly, all that fuss about how sisters, older sisters, or mothers, no matter how objectively pretty they are, only look like family and not at all attractive. 

That's half true, but half a lie. 

Even parents, while they unconditionally find their children cute because they're their own, know objectively whether they're actually cute to others or not. 

It's the same with siblings. 

Siblings are also aware of whether the other is externally attractive or not. It's just that it generally doesn't connect to sexual desire. 

And the word 'generally' implies that there are 'exceptional' situations. 

Anyway, once I started having sexual urges toward my sister, from that point on, I couldn't help but feel intense sexual urges from Mi-hyun's appearance, just like an ordinary man. 

"Haa... haa... Mi-hyun. Ah... you're so pretty" 

Normally, or even just a few hours ago when we were real siblings, this would have been a cringe-worthy compliment, but being extremely excited, I honestly blurted it out without hesitation. 

"Mmph?! Mmph...! Mmph!" 

...Although Mi-hyun seemed too preoccupied to hear my compliment. 

I had arbitrarily grabbed Mi-hyun's small head tightly with both hands, fixing it so she couldn't move, 

And I was sorry, but I was using her pretty mouth like an onahole. 

Her pretty, large eyes were filled with tears as she was forcibly throat-fucked~ 

Her face turned red from difficulty breathing, her throat constantly convulsing, and with both hands, she was tapping my thighs, signaling me to let go. 

Ah! 

I guess I'm my father's son after all. 

Seeing Mi-hyun suffering like that, I felt an extreme sense of conquest and satisfaction, and it made me even more excited. 

Looking in the mirror, I saw my face enjoying this sadistic relationship... it resembled someone's expression. 

'Damn, so that's why. Ah...' 

If I can understand my dad or Mr. Kwak Young-cheol who fucked my mom sadistically... I must be severely affected? 

Selfishly satisfying that sadistic pleasure, I pushed my penis deep into Mi-hyun's throat, grabbed her struggling head, and fired my 8th load of semen today. 

Right into her throat. I could feel my semen flowing directly into Mi-hyun's stomach through her esophagus. 

"Haa! Haa! Ah! Fuck, I'm, I'm cumming!" 

"Mmph!!! Mmph!" 

I shot all my semen cleanly, without leaving a single drop, through Mi-hyun's throat into her stomach. 

Ah. 

The feeling of complete satisfaction after squeezing out the last drop. A happy sense of lethargy wrapped around my entire body. 

And I unknowingly slumped to the floor as my strength drained. 

"Ugh... uuugh!" 

As soon as my glans, which had reached her throat, was suddenly pulled out, Mi-hyun also sat down and dry heaved. 

Her large eyes were filled with tears because I had forcibly irrumatio'd her. 

Only after my excitement cooled did I start to feel a bit sorry. 

"Ah... damn! How could you suddenly do that!?" 

"S-sorry. I didn't mean to..." 

"Ugh..." 

She dry heaved a few times, but fortunately, she couldn't vomit up the semen I had put in her stomach. 

...I must be a pervert because I strangely felt satisfaction from this aspect. 

Hah... is it because I've watched too many of those videos of mom being abused? 

Is something wrong with my values? 

Anyway, Mi-hyun kept chattering and complaining... 

But she wasn't as angry as I expected. 

Rather... it was more like cute whining? 

And... though I'm a bit jealous, it seemed like she had done this before—irrumatio. 

"Brother, you must watch a lot of weird porn, right? People who watch that stuff always want to do weird things." 

"...Sorry. Really sorry..." 

"Don't watch a lot of that porn. Seriously." 

Um... 

Isn't incest a more serious problem than watching a lot of hardcore porn? 

But she didn't seem to recognize that something was wrong. 

Hmm. 

How did we end up in this relationship? 

Anyway, I surrendered because she was complaining. 

"Okay, okay. I won't do it again." 

"Well... I'm not saying don't do it. Just tell me before you do it." 

"...So in the future... we can continue doing this?" 

"What?" 

"...Like what we did earlier or just now." 

"..." 

That's when the reality hit me that we had formed an incestuous relationship, that we had done everything except penetration. 

She hesitated and then said, 

"Well... as long as we don't have sex, it should be fine, right?" 

"...I guess so?" 

Things felt a bit awkward. 

But neither of us left the bathroom. 

It was as if we both wanted to do more... 

"...Shall I wash you?" 

"...Like when we were little?" 

"Mmm..." 

When we were little, up until the early elementary school years, I used to wash Mi-hyun's back. 

That memory just came back to me. 

When she nodded slightly, I put body wash on a shower puff, worked up a lot of lather, and then scrubbed my sister's body, who had taken off her t-shirt and was completely naked. 

As I washed every part of her body, I couldn't help but admire her sculptural figure. 

"...How big are your breasts?" 

"They're huge, right? They used to be G cups, but I think they've gotten a bit bigger lately." 

"...You're a total milk cow." 

"Actually, my nickname is Milk Cow Girl, hehe." 

As we made these silly jokes, somehow... the atmosphere became comfortable. 

Even the cold bathroom tiles felt cozy. 

Like when we were little, I washed every part of Mi-hyun's naked body, and Mi-hyun also touched my body with her soap-covered hands. 

"..." 

"..." 

Then our faces came face to face. 

Without either of us initiating it, our lips met. 

Illustrations Posted

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