158 Chapter 160 – Experiencing Mating Press

"Do it."

"I'm not sure what 'titty-fucking' is, but..."

She doesn't know what it is!

Yet Serena still smiled sweetly. It was a smile that seemed to say she would do anything for me.

"Alright. For you, I'll do the titty-fucking."

I sat on the bed, legs stretched out, and waited for Serena.

Serena kneeled before me, her body still flushed and heated from our perverted lovemaking.

That alone was enough to keep me erect.

Naked Serena revealed her massive breasts and soft skin to me.

There was no need to look at the semen I had released, now trickling down from her voluptuous buttocks.

Serena modestly pressed her thighs together, kneeled in front of me, and awaited my instructions.

"How should I do the titty-fucking, Oppa?"

The time spent gazing at Serena with wide-open eyes was pure bliss.

"First, wrap your breasts around my cock."

The raven-haired younger sister approached me, targeting my cock.

The breast-grope of my big-breasted sibling.

Serena seemed a tad shy, yet she expertly enveloped my cock with both of her ample breasts.

*gulp…*

The moist cock, a blend of sweat, juices, and semen, unified with the incredible pressure from Serena's chest.

Unbelievable.

Is this merely the sensation of rubbing against a woman's fatty mounds? I can't accept that!

What is this overpowering sensation?

"Big brother, do you like my breasts?"

"Ah…"

I didn't know until now!

I wasted half of my OnaAka life!

It feels as if my cock has merged with Serena's breasts. Serena gave my trembling glans a tender kiss.

"So, can I rub it with my chest now?"

"Wait…!"

The moment Serena pressed her side breasts firmly with her hands, she maximized the pressure and then rubbed them up and down, alternating.

I ejaculated right then and there.

*Vwoooosh! Spurt! Spurt! Spurt!*

"Huh?"

At first, even Serena didn't realize that I had ejaculated.

As Serena's breasts enveloped my engorged cock, the intense pressure and friction caused me to release a torrent of thick, hot semen. It splashed across her face with a ferocity that left her gasping.

"Wow…"

"Se… rena… Ah…"

"Oppa, you really love my breasts, don't you?"

It wasn't just that, though. Her skillful breast play had been nothing short of extraordinary. Before I could even attempt to articulate that, Serena's passionate titjob resumed, sending shivers down my spine.

"Ah! Yes! ♡♡"

"Ugh!"

Our secret hideout was nestled in the mountains to the north. With my legs spread wide, I entrusted my throbbing member to Serena's talented chest. My legs trembled involuntarily, betraying the pleasure I was experiencing. Serena noticed my quivering thighs and grinned playfully.

"I'll have to practice this even more. Oppa, you really enjoy this, don't you?"

Was there some sort of secret mechanism hidden within Serena's ample bosom? Using the residual semen as lubrication, she rubbed it all over her cleavage before once again enveloping my cock in her warm embrace.

Her incredible technique, which I dubbed "Breast Imprisonment," effortlessly engulfed my manhood. She loosened her grip, allowing her breasts to glide over my shaft like a broom sweeping the floor.

The electrifying mix of softness, heat, and slick lubrication sent me spiraling towards another explosive climax.

As Serena passionately took the tip into her mouth, her service became more and more intense.

"Brother… *slurp*… *slurp*… I have a favor to ask.

"Anything… Just tell me..."

*Thump*… *Throb*… *Thump*… *Thump*!

"Ah!"

Serena tenderly embraced my cock as it ejaculated uncontrollably, cradling it between her breasts. Then, she firmly pressed her breast against it.

"Come on~ Brother. Let's have you cum inside♡ between your little sister's breasts. *Thump*~ *Thump*♡ It's glorious. Perfect♡"

*Thump*♡ *Throb*♡ *Thump*♡ *Thump*♡

"Se, Serena. *cough*. What kind of habit is that?"

"Shh. It's impolite. I won't say anything until you've covered my breasts completely."

The power of service was in Serena's hands!

I couldn't say anything until I had fully coated Serena's breasts.

"Whew♡"

Serena grinned as she wore my steaming semen on her chest like a pearl necklace.

"It's completely covering my chest. Brother…"

What incredible talent for titillation!

It had only been a few hours since Serena had learned about sex, but she had already come to understand how to harness her insatiable desire!

"What is it that you want me to do?"

Serena gently wiped her breasts with a tissue, then climbed on top of me and embraced me.

"Oppa."

"Hmm?"

I locked eyes with the enchanting Serena.

Just that alone made my heart race.

How could my sister, who had lovingly tended to my cock with her breasts, be this endearing?

"What was I going to say?"

Had Serena been thinking the same thing?

We laughed together, as if our hearts were in sync.

"What if you forget?"

"Ah, alright."

Serena hugged me tightly!

"I love you!"

"I love you too."

What would become of us now?

We were like a family straight out of an erotic game. It was exactly what En had intended.

I now understood why En had been so smug when she first arrived in this world and told me to look at Serena.

Serena was a sister like no other.

"What is it that you want to ask of me?"

"Help me take a picture to send to Stella."

"…Puhahaha!"

Serena, naked atop me, spoke shyly, gently swaying her breasts as if trying to entice me.

"Please help me end this sibling rivalry. Big brother."

"Alright. Take as many pictures as you want and declare victory."

"Ah, big brother. I love you!"

Wow.

Serena clings to me even more. The softness of her breasts spreads throughout my body.

But it seems Serena was aware of Stella, too. She must have wanted to declare victory.

She had this side to her as well. How adorable.

"Don't fight with each other. Get along well."

"Okay! But I can't give up the position of being the sister you love the most."

Haha…

Since they've bet on who will get pregnant first, it's right to support the winner.

I help Serena take her pictures.

As Serena diligently types on KakaoTalk, I playfully touch her breasts, indulging in our intimacy.

Every time our eyes meet, a smile appears.

"Please say, 'I love you,' big brother."

"I love you."

"I love you too."

Serena holds me tightly. We press our lips together and share a tender kiss.

"Ah… mmm… I want to capture this too. show me…"

"I can't tell if Stella is coming toward us while emitting electricity."

"I'll take the picture while sucking on your lips... one… two… *kiss*…"

*Click*.

A photo worth remembering. 「Embracing Serena and Chu-Chu」

"Do you want me to send it to your phone too?"

"Of course. I'll use it as a background."

"That's… embarrassing…"

As Serena put down her phone, she spoke while rubbing her delicate womb flesh against my firm cock.

"I keep feeling something hard. What is this? Oppa~?"

"Lie down."

I suddenly rose and stood tall, showcasing the height difference between Serena and me.

Serena gazed up at her dashing brother, her eyes widening.

"Ah, Oppa… so dependable…♡"

Her sister's arm encircled her waist.

"Serena…"

"Am I going to be ravished by you again?"

"Yes. You should be ravished."

"I guess I can't help it... I am your younger sister, after all."

As we exchanged dangerous words, our lips met.

Serena stood on her tiptoes, meticulously consuming my saliva as I passed it to her.

"Ah… mmm… slurp…."

Now, I will treat you like my wife.

I rub my erect cock against my soft little sister's tender bare skin, applying a coating of lubricant.

Like a beast marking its territory, I smear my secretions on her.

to prevent other males from approaching Serena.

"…Hehe."

Seeming pleased with such a masculine act, Serena rubs her body against my cock, twisting her hips.

She even gently strokes my dick with her hand.

The touch of Serena's hand brings back memories of that day.

"Now, I can finally penetrate you properly."

As if speaking to my cock,

Serena smiles while stroking it.

"Serena…"

"Uh-huh, wait, I was talking to your cock."

"What?"

"Hurry and give me your tight little sister's hole."

Communicating with my cock is incredible, isn't it?

Surprisingly, it's true.

However, when Serena tries to assume a familiar position on her stomach, I firmly grasp her delicate ankle with my hand.

"Ah."

With just that, strength surges into Serena's buttocks.

"That's not it."

In a flash, I grabbed Serena's ankle and effortlessly flipped her over. Serena, now sprawled out, opened herself up and gazed at me.

"Oh, brother… I'm so embarrassed."

"You weren't embarrassed to be taken from behind?"

"My face…! You can see everything now."

Instead of artificial lighting, Serena's pristine skin was revealed under the gentle morning sunlight. Holding her ankles so she couldn't close her legs, I looked down for a moment. and then climbed on top of her.

At this point, I didn't even rub against her buttocks anymore. I mounted Serena and rubbed my dry cock against her moist vagina. The cock is the warmest part of the body and also the easiest to dry.

The vagina, too, is one of the warmest parts of the body, but it's easy for it to become wet. As I coated my cock with Serena's vaginal juices, she held me tightly, offering her vagina to me.

"Mmm… Mmm… Brother… You're so naughty."

I massaged Serena's beautiful vagina while rubbing my hard cock against it.

"Like I said before, you're even naughtier."

Serena's legs spread wide, her pose utterly bewitching.

There was an indescribable thrill and arousal merely from gazing down at my beautiful raven-haired sister.

"The goddess herself would be proud."

"Hm?"

"No, I mean... It's because of you that I've decided to stay here."

"Were you going to leave home? Was Stella being too difficult?"

I smiled without a word.

"Serena. Thank you."

I embraced Serena tenderly.

In my arms, Serena happily opened her legs and whispered in my ear.

"Your love for me is the happiest thing I've ever experienced in my life."

"Serena."

Had it not been for the possession, things with OnaAka would not have taken this turn.

I would have likely threatened Serena and Stella, forcing them to their knees with my cock.

One might argue there isn't much difference from the present, but...

Serena smiles blissfully. To me, that's a monumental difference.

If we're going to enjoy each other's company during such a depraved encounter, it's better with a handsome protagonist.

If you were to ask whether I possess a perfect personality in every aspect, the honest answer would be no.

Yet still…

I desire to protect and care for Serena so she doesn't feel sad.

"Now, do it for me, brother."

Serena's vagina was in an incredible state.

"It's so wet... I'm embarrassed…"

I spread Serena's legs wide apart, exposing her luscious thighs and her moist slit.

"Ah!"

Love is love, after all.

As the protagonist of this erotic game, it would be a serious dereliction of duty to satisfy Serena with only ordinary, upper-level sex, given my oversized cock and extraordinary stamina!

As I slid my dick into Serena's openly displayed vaginal opening, I thought to myself:

'I'm so fortunate it's an erotic game!'

My well-endowed younger sister's pussy,

I'm grateful for the world in which I can pleasure her with a mating press!!

"Mm, this position... It's so lewd. It feels like I have no choice but to submit to a man's strength. Brother."

"Exactly. I'll put in the effort, so just relax and enjoy, Serena."

_*Squelching sounds*_…!!

As I slid my cock into the unprotected folds of her vagina, Serena caught her breath and looked up at me with glistening eyes.

"Brother… So, you wanted to have sex with your sister in this position?"

My cock swelled even more.

"You wanted to pin your sister down in a position where you had no choice but to relentlessly pound her and thrust with your wrecked, engorged cock?"

As if revving an engine, I gently shook my cock, which was about 30% inserted into Serena's pussy.

*Squeak* ♡ *Squeak* ♡ *Squeak* ♡

"Y-yeah… uh…"

"Then what are you going to do?"

"I should have told you, Oppa. Yeah… Y-yes… I'm sorry for leaving your cock so tense. I'm sorry for only rubbing it against your sister's ass and making you endure."

"It's okay. I'll take everything."

In order to claim the price for this pussy, I plunged my hardened cock deeply inside her.

Serena gasped, her eyes rolling softly.

She instinctively tried to escape by gently tilting her hips from side to side, but she couldn't.

"O-oh… Oppa, does my face look strange right now?"

"Serena's ahegao is so lovely. Show me more. I'm really turned on.

"Ugh, you pervert... Big brother, you pervert... You love seeing your little sister's eyes roll back like that, don't you, you pervert."

Hearing Serena's enticing words, my cock grows even harder.

Slurp… Slurp…

As I take my time and slide in, Serena's vagina clings deliciously to my cock. It's being trained to fit perfectly.

I feel like I could come just from being inside her.

"Don't cover your face with your arms."

"They say the eyes are the organ most directly connected to the brain."

Serena barely opens her eyes and looks straight at me. Her eyes are such a beautiful shade of purple.

"Suddenly?"

"Your cock… It feels so good. Ah… Ah… Just having it inside makes my head go blank. Even my eyes are rolling back."

Her explanation continues: this little sister who only wants to show off her pretty face.

"I meant that I want to see Serena's ahegao because she loves my cock."

"Ah… I'm so embarrassed.

"I told you to move your arms!"

I slightly pulled back my cock and, with a full swing, thrust it into Serena's pussy.

*Chu-boom!*

"Ahh, ohhh♡♡"

Serena's Ahegao face is unveiled!

It was her younger sister's memorable first mating press. Pressing my hips tightly against her, the very base of my dick penetrating her vagina was evident. The vibration was transmitted through short, rhythmic pats.

"Ah… ah… ah… oh… oh…? oh…?"

Realizing that her pussy had been deeply penetrated by a single thrust, Serena's body was swept up in an intense orgasm, delayed by just a moment. The shockingly tight sensation of her pussy wrapped around my cock made it clear.

Damn… incredible… hah…

Serena's eyes rolled back as she panted heavily, her big, sweat-drenched ass quivering slightly.

"Oh, hold on... just… wait…"

I firmly grasped Serena's ankle.

 *

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