Chapter 28

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Translator: penny

Chapter: 28

Chapter Title: First Experience, Partner is Dad?

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"...Ha?"

I was so flustered that the words wouldn't come out properly.

Did I just hear something wrong?

Who... is going to do what with whom?

"Dad, sorry, but could you say that one more time?"

"Sure. From now on, you and Dad are going to have sex..."

Ah. So I didn't mishear it.

"Are you insane!?"

If the partner wasn't my dad, it wouldn't have stopped at just yelling.

"You've been obsessed with research for 150 years, and now your brain's finally fried?"

"Dad's perfectly sane."

Dad replied while pretending to plug his ears.

How is that sane?

Or am I still dreaming?

"Irina, just hear Dad out first..."

As Dad gripped the sheet and approached me, the long thing dangling between his legs swung back and forth.

"Don't come any closer!"

I recoiled in horror, but unfortunately, there was a wall right behind my back.

"Listen, Irina. The way to cure mana hypersensitivity is with a man's semen..."

"Don't say it! I don't want to hear that!"

But Dad didn't stop.

"The treatment for mana hypersensitivity is to supply the body with a man's semen."

Now even a hollow laugh wouldn't come.

That this was the cure for a rare disease with barely any known cases?

"Even if that's true, if that's the cure, I'd rather stay sick forever."

"Irina."

"I just won't go back ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠to our hometown! You said you'd live here from now on too!"

"We can't be so sure about that."

"What?"

What couldn't we be sure about?

Not going back home?

Or living here forever?

"You collapsed earlier today. You're fine now, but we can't predict when the symptoms might flare up again."

"That was..."

Not just a simple cold, then?

"We don't know everything about that disease. We can't predict what might trigger it. So treating it quickly is best for the future too."

Dad's expression didn't look like he was joking.

Still.

"Even so, having sex with you, Dad..."

Just thinking about it was embarrassing.

"What's there to be shy about? It's for treatment, and we're family."

Am I misunderstanding what family means?

"Isn't the fact that we're family the problem? And what about Mom?"

"I'm fine with it."

"Huh?"

Before I knew it, Mom was standing by the bed in her usual pajamas. Her gentle smile carried a faint blush, creating a strange atmosphere.

"Mom?"

"Irina, good thing you're in your right mind."

"Is your body okay, Mom? Did that guy do anything to you while I was out?"

"Hehe. Who's worrying about whom? Mom's fine. Now Dad's here too."

At Mom's nonchalant response, I let out a sigh of relief.

Yaruo's not in this house anymore.

Did he decide there's no room to interfere now that Dad's here?

No, that's not what I should be focusing on right now.

"You heard from Dad too, Mom? About how to cure my illness."

"Of course."

She'd heard everything, yet Mom's face was strangely calm.

"You're okay with it? Me and Dad doing that."

"Mom was surprised at first too, but if it cures your illness, what's not to do? And your dad wouldn't lie about something like this."

"Well, that's true, but..."

"You don't need to feel sorry for me. If anything, this could make our family even closer. Mom would be happy about that."

"Uh, yeah..."

Was it my imagination, or were Mom's words and mine not meshing right?

"See, Irina? Eleina says it's no problem too."

"Ugh... Fine, I get it. Let's just do it."

At my reluctant voice, Dad smiled warmly and approached me.

As I lay back on the bed following Dad's touch, I ignored my pounding heartbeat and avoided his eyes.

Come to think of it, I'd changed into pajamas at some point.

Mom must have done it.

"Since it's Irina's first time, you can leave everything to Dad."

"I-I'm embarrassed, so just hurry up."

No sooner had I spoken than Dad's hand slipped inside my pajamas.

Each time the rough texture climbed my belly, the hem rode up, exposing my stomach.

Soon, Dad's hand gently cupped my breast, sending an unfamiliar shiver up my spine and spreading a strange sensation.

"W-Wait, you said sex, not groping my breasts...!"

"For the first time, you need to stimulate different parts to relax your body. You've masturbated before, right?"

"A-A few times... Wait, why are you asking that!?"

"Just like it gets wet down there when you masturbate, you need to make it that way for sex too."

"That's called foreplay."

Before I knew it, Mom had come right up by my head and chimed in.

Eh?

"D-Dad, wait. Mom's still watching—hnng♥"

Before I could finish, a sharp pleasure rose from my lower belly, and a moan escaped me unwittingly.

"Oh my. Irina's nipples are sensitive too. I wonder if she inherited that from Mom."

"Mom, why aren't you leaving...?"

"I'm curious how Dad will do it with Irina."

Why would you be curious about that?

I had no energy to argue.

Dad tormented my sensitized nipples without a care that Mom was watching.

A thin sigh leaked from my lips against my will.

"Excited because Mom's watching?"

My face burned at Dad's question.

"It's not that, hng♥"

While I was helplessly toyed with by Dad's hands, suddenly his left hand left my breast.

It tickled down my belly and unhesitatingly invaded my pants.

The intruding hand wandered between my legs exploratively, then his fingertip brushed over my slit like a brushstroke.

"Haah♥ Ung♥"

The finger's touch was rough, but its movement naturally drew out my pleasure like flowing water.

"Already pretty wet. I didn't know our daughter felt this good."

"Shut up...♥"

Feeling it from Dad's touch in front of Mom—my head felt like it would break.

"Don't be shy, feel it honestly. Dad loves every side of Irina."

"Hngt♥"

Those words wormed into my ear, making my lower belly throb.

At the same time, Dad's finger parted my wet entrance and slid inside.

A man's finger, much bigger and thicker than mine.

Squelch♥ Squelch♥ Squelch♥ Squelch♥

Unlike when I did it myself, the relentless, somewhat violent touch made me crumble without resistance.

"Ahng♥ Daddy♥ Daddyy♥"

Unable to control the pleasure myself, I instinctively grabbed Dad's arm.

Dad pressed closer to me and thrust his finger deeper.

"The usually dishonest Irina clinging like this... Hehe. Does Daddy's finger feel that good?"

"Feels good♥ Deeper than my fingers, touching places I've never reached♥"

Mom watching didn't matter anymore.

Following Dad's caresses filled my heart.

"Daddy, I'm about to♥"

"Gonna cum? Go ahead. Whenever Irina wants."

Squelch♥ Squelch♥ Squelch♥ Squelch♥

As signs of my climax appeared, Dad's finger focused on tormenting only the sensitive spots.

Each time the fingertip pressed the walls, my vision blurred, and my hips bucked wildly.

"Aaahng♥♥"

The moment I climaxed, I clung to Dad's arm.

My whole body convulsed in uncontrollable pleasure, and I felt myself clenching around his finger inside.

"Haa♥ Haa♥"

Even after the peak, the aftershocks lingered, leaving me sprawled on the bed, catching my breath.

When Dad pulled his finger out, an inexplicable emptiness replaced it.

"See, Irina? Your juices all over my finger."

And as if to show off, Dad thrust the glistening, stringy finger right in front of me.

"Ugh..."

"You too, such a tease."

"Sorry, sorry. Irina feeling it was just too cute."

Seeing them exchange harmonious words while watching me like this made me want to crawl into a hole.

"No more teasing. Shall we get serious now?"

Unaware or not of my feelings, Dad swiftly moved to the next step.

As Dad removed my pants, a cool yet sticky sensation hit my overheated legs.

Dad easily spread my instinctively clenched legs and positioned himself between them.

Lifting my head slightly, I clearly saw Dad's massive erection looming over my spread thighs.

'Dad's excited too, huh?'

Lusting after his daughter with his wife watching.

I should feel disgusted.

Then what was this emotion stirring in my chest?

"I'll go slow, tell me if it hurts."

I held my breath and nodded.

I'm really doing it with Dad...

Staring at the approaching giant made my heart race endlessly.

Mom, beside me, stroked my hair reassuringly.

Prod—

"Eut."

As the tip touched my slit, a weird sensation mixed with strange fear welled up.

My lips trembled, my breathing quickened.

"Relax. The pain's just momentary. If you're scared, hold Mom's hand."

I grabbed Mom's left hand with my right without hesitation.

But.

"Huh? Mom, your wedding ring..."

Glurk♥

"Kgh, eut."

The sensation of a huge foreign object forcibly stretching me blanked my mind.

Tears welled from my tightly shut eyes at the unprecedented pain.

"Irina, say if it's too much."

"I-It's fine...! This much is—ahk?!"

I tried to act tough, but it wasn't easy.

The pain grew bigger each time Dad's thing pushed deeper.

Ironically, even blinded by pain, I could sense Dad's shape more clearly.

There was a feeling like something tore inside midway, and Dad stopped then.

"Now our daughter's a proper adult too?"

Only after hearing Mom did I realize I'd lost my virginity.

To Dad, of all people.

How many others in the world besides me?

"Hoo. Hoo."

After finally taking all of Dad's thing amid ups and downs, I gasped for the breath I'd held.

Each breath made me feel the thing inside, and my lower belly throbbed.

Dad waited for me to get used to the pain, but.

The inserted cock twitched, eager to move.

With Mom watching, lusting after his daughter.

But.

"...Daddy."

"Yeah?"

"If you want to move, go ahead."

"But..."

"It doesn't hurt much now. And you want to move fast, right, Daddy?"

Ah. It twitched inside again.

Dad's surprisingly easy to read.

"Got it."

At my permission, Dad slowly pulled his hips back.

"Ahk♥"

The sensation of the tip scraping every fold shook my vision.

Before that pleasure faded, a new one plunged deep in one go.

"Uhiiiik♥♥"

Slap♥ Slap♥ Slap♥ Slap♥ Slap♥

"Ngh."

After one thrust, Dad braced his hands on the sheet and started rocking his hips over me.

Lewd sounds of my insides being ravaged by Dad's cock echoed through the room.

"Ang♥ ‍‍‌‌⁠​​⁠‌​​‍​​‍​‌​⁠‍‌‍⁠⁠‌⁠‌‍‌‍‌‌‌‍⁠​‌​‌​‌‍‌‌‌⁠‍​​‌‍⁠‌‌⁠⁠Aang♥ Haang♥"

It felt like being sliced by a knife at first.

But with each thrust, pleasure overtook the pain.

The vulgar voice I'd cringed at hearing was now coming from my own mouth.

"Irina, already making such slutty sounds... You like Daddy's cock that much?"

"Yng♥ Feels good. Love Daddy's cock♥"

My mind went blank, unable to think.

It felt like a void inside was filled, body and soul dominated.

The excuse of "for treatment" faded to the back.

I wrapped my arms around Dad's neck as he busily rocked his hips.

"Daddyy♥ Harder, do it harder♥ Stir up my insides however you want♥"

My first coquettish plea worked wonders.

Fire lit in Dad's eyes.

Slap♥ Slap♥ Slap♥ Slap♥ Slap♥

"Haang♥ Daddy's so strong♥"

He'd been holding back before, but not now.

Full-power hip action.

Just like that guy ravaging Mom...

'Why think of that now.'

But my mind was already comparing Mom's ravishment to my current self.

"Heek♥ Too big, feels like my insides are piercing...♥"

"Hng. Watching you two so into it makes Mom jealous."

"Eleina's turn after Irina."

"Hehe. Looking forward to it, de-ar♥"

Seeing them sweetly converse right in front of me irked me.

"Uht. Irina?"

As I wrapped my legs around his waist, Dad let out a dumb sound.

"Oh dear. Jealous of Mom just for looking away? Where'd you learn that position?"

I couldn't say I learned it peeking last night.

As I clamped my mouth shut, Mom smiled meaningfully.

Slap♥ Slap♥ Slap♥ Slap♥ Slap♥

No time to mind her smile—Dad's movements grew fiercer.

I could feel the thing inside swelling bigger.

"Irina, gonna cum like this?"

"Hng♥ Cum inside. All in me♥♥"

What if he cums inside?

Would I get pregnant with Dad's baby?

That thought sent a lewd shiver through me.

As Dad thrust powerfully, my vision whitened.

My mind drowned in ecstasy, hips arching wildly.

"Hngt♥♥"

Spurt♥ Spurt♥

Soon Dad's cock pulsed violently, flooding me with something hot and thick.

Like dense honey...

This is semen.

Feeling it fill me made me truly realize I'd had sex with Dad.

"Haa♥ Haak♥"

Even after climax, Dad's and my eyes met in the air.

Mom right beside us was invisible.

"Felt good, Irina?"

"...Don't ask."

"Haha. Glad it did."

Weird.

Just a normal smile, yet hard to look at Dad's face properly.

"Did you like doing it with me, Daddy?"

"If I didn't, it wouldn't be this hard."

"Uht."

How can he say that so casually?

Yet my heart raced wildly anyway.

"But it's not over yet."

"Huh?"

"Semen is the treatment, but once isn't enough. Need multiple ejaculations inside for effect."

"Multiple... times?"

"Yeah. So tonight, we'll keep going with Irina. Okay?"

Do that again, several times?

Just imagining made my body tremble.

Still.

"...For curing my illness. And if it's with you, Daddy, it's fine."

"Hearing that makes me happy. Alright, round two?"

"A-Already?"

Come to think of it, Dad's cock hadn't softened at all after cumming.

After all this, can I even face Dad properly?

As I inhaled, anticipating the coming pleasure.

"Then, Eleina?"

"Yes♥"

"...Huh?"

My vision warped.

Dad's form in front of me smeared like a mud doll.

The momentarily collapsed shape seemed to reform—

"What's wrong? Irina? You look like you saw something awful."

Then it turned into the face of the guy I hated most.