Foolish Big Sis, Masochist Lil Sis
“Ughhh...”
Ye-na Chae, Yu-na's older sister and the one who'd ordered the Dick Delivery Service from Futanari Corporation, struggled to prop up her throbbing body and glanced around.
A smell...
A lewd scent that made her pussy twitch involuntarily filled the room. Even with the door wide open, the aroma permeated everything—not just the room, but the whole house, it seemed.
“Ughhh...”
Her entire body ached.
No bruises anywhere, but it hurt like hell all the same. Whatever she'd been hit with had packed a punch.
“Punching me?!”
She shot to her feet, trembling with rage as she whipped her head around. Some wet, squelching sounds tickled her ears from behind, but she ignored them.
Scanning everywhere except the bed in the back, she slowly stood. Her legs wobbled, and the sore spots throbbed.
“Ughhh.”
Her head-sized tits bounced up and down with each step.
Heading to the living room, Ye-na stripped off her clothes, stained with popcorn crumbs and some mystery fluid.
“Sniff sniff... Huh?”
A liquid that smelled faintly like whipped cream, mixed with white clumps.
She tilted her head, pondering what it could be, but for a big-titted bimbo like her, it was too much to figure out.
The saying “big breasts mean dumb” had no scientific basis—it was bullshit—but for her, it rang true.
All the nutrients meant for her brain went to her tits instead.
Words from a friend she'd once been close to. They hadn't talked since.
“...Feels depressing now.”
Digging up old memories soured her mood fast. She listlessly peeled off the rest of her clothes and shuffled naked into the bathroom.
She crouched on the bathroom floor for a good while.
“Hngh.”
Ye-na turned on the shower.
Warm water cascaded over her, lifting her spirits a bit.
⁎ ⁎ ⁎
“Your sister?”
In the room Ye-na had left, Yoon Seoha—perched on the bed—asked Yu-na Chae, who was slurping away at her cock.
“Yeah. What’s she like?”
“Mmmph.”
Yu-na paused her sucking, tilting her head in thought.
“...A kind idiot? Nah, not exactly an idiot...”
She always called her sister an idiot, but truthfully, Ye-na wasn't dumb. She'd graduated from a top university everyone had heard of, studied abroad, worked at a prestigious corporation (though unemployed now), and even passed the bar exam.
She was just... naive.
“Super naive...”
Too naive. Way too naive—that was the problem.
Normal people would've brushed off jokes or minor insults. But Ye-na took them to heart, cherishing petty jabs like deep truths. She'd been scammed plenty and lost friends over trivial shit.
“...But she's a good person.”
The words were sincere. Her sister was good. Smart, pretty, huge tits. The only flaw was no cock, but whatever—she was great.
...Huh?
Yu-na's mind blanked mid-thought about her sister.
What'd I just say?
Cock?
Why was that popping up?
Her ideal type was always “pretty girl with big tits and a huge... cock”...?
Wait, what?
...Eh, whatever. Tastes change.
“Yu-na?”
“Eh?”
Yoon Seoha's voice snapped her back. Yu-na touched her face, looking dazed.
A hand patted her head with a soft thud.
“Good girl. Good girl.”
“...Hehe.”
“Feel good?”
“Mmm, yesss...”
Her face melted into bliss. The sharp glare softened, drool dribbling from her slack lips.
Easy.
So thought Yoon Seoha.
It felt rude, but it was hard not to think it. Because it was true. Breaking this girl's mental walls had been child's play.
...No way Sis is like this too. Right?
Her sister had always been a bit broken. Learning she'd sneak into Yoon Seoha's room for sleepy sex even before the futanari change had given her a headache.
So that's why I've been so tired.
...Still doing it lately? Nah. Probably not.
...Yeah, no.
“Mm.”
...Gotta hug her when I get home. Shower her with love before she tries sleepy sex again.
“Heee...”
Lost in thoughts of her sister, Yu-na melted further into Yoon Seoha's lap, head still being stroked. Adorable, like a puppy.
Yoon Seoha scooped her up and laid her on the bed.
“...Ah.”
“Any more and it's overtime. What do you say?”
“...How much for an extension...?”
“Heh. That matter?”
“...”
Yu-na stared at Yoon Seoha. Her gaze drifted down from that stunning face, to the massive cock resting on her belly.
A monstrous dick. Nod once, and it'd plunge in, wrecking her womb—her owner's cock.
No hesitation.
“...Put it in, please♥”
Voice dripping with aegyo. Yoon Seoha chuckled softly and thrust inside.
“Hguh?!”
Blinding pleasure stabbed her brain, the world spinning. Hours of it, and still no getting used to the intensity—like her spine was on fire, breath catching in her throat.
Coughing gasps mixed with moans spilling from her lips.
“Hngh, kweuk♥ Kyuuut♥”
“Tighten more.”
“Y-yes, heeeet♥”
A cold command pierced her ear. Pure order, no room for defiance.
“More, I said.”
“H-hii, hnguuuk♥ Kkhuuuk♥”
Only the urge to obey surged stronger.
Womb crushed, belly bloated with cum, throat choked. Red handprints on her neck, ass cheeks glowing red from dozens of slaps.
Bruises blooming on her skin from the womb abuse.
Body screaming in pain, but the pleasure drowned it out.
...I think... I like getting hit...♥
More than enough to plant that misconception.
The false taste for pain etching into her brain. It wouldn't take long to pile up into the real thing.
“Kkh, hiiik?!”
Womb pressed, crushed again.
Arms pinned, no freedom to move—a living onahole could only moan in ecstasy.
No thoughts of humiliation. The old her might've raged.
“Hngh, heeeuk♥”
Unknown chemicals exploding in her brain. Pleasure chemicals, like drugs, searing unforgettable memories.
A conviction: nothing would ever top this bliss.
⁎ ⁎ ⁎
“...Yu-na.”
Outside the door, a woman watched her little sister shatter.
Shocked by the vulgar moans after her shower, even more so realizing they came from her sharp, proud sister—the one supporting them since Ye-na quit her job.
Entered a top company, rocketed up promotions showing off her skills.
...She looks... happy.
Her tough Yu-na was breaking under pleasure's drug.
But why did she look so blissful?
“Ah, ugh...”
Ye-na opened the door and crept in. Legs wobbling cautiously, body trembling in fear.
The futanari railing her sister—the escort she'd called—turned to her. Beautiful brown eyes raked over her.
“Sit.”
“Ah...”
Short command. No resistance.
Ye-na knelt by the bed. Watched her sister get fucked right there, huge cock pounding deep.
...Ahh.
A wet blurble sound. Sister's body quaking.
“Hoo.”
Yoon Seoha exhaled shortly, shoving the passed-out girl aside. Yu-na twitched in the corner of her vision.
“Ah...”
“No.”
“Eh...?”
“Look at me.”
Any move toward her sister halted. Yoon Seoha loomed, shoving her cum-and-sis-juice-smeared cock toward Ye-na's face.
“Gotta clean it up, right?”
Cock smearing across her cheeks. Lewd scent stabbing her womb.
“Baa...”
She slowly opened her mouth. Defiance never crossed her mind.
“Good girl.”
The pleased voice flowed into her ear.