Hikikomori and the Perfect Sister - Gluttony, Male Masturbation
"Hehe... Guess it's time to wash up?"
...Ugh..?
While I was still out of it from the shock of ejaculation, my sister—recovering faster than me—stood up from her spot and headed to the bathroom. Creak-.Whoosh— The moment she opened the door from the bedroom to the living room, fresh air hit us, making it impossible to gauge just how foul the air in the room had been. It was thick with the sweat she'd shed and the fishy, musky semen she'd kept pumping out, swirling through the currents like a haze...
Slosh-.. "Ahh— so sticky..?"
Of course, her body was completely filthy too. Her reflection in the glass of the front door: round, perfectly shaped breasts with small areolas and perky nipples standing at attention in the center. Below them, the subtle six-pack abs unique to someone athletic, widening into flaring hips, thick thighs merging into a sharp, defined Y-zone at her crotch. A body that hit every note to arouse a male... Dried sweat and white fluid made her skin gleam slickly, like she'd been oiled up, her feminine form even more tantalizing.
Twitch.. ...Hot... so hot.
I'd always known her figure was killer even through clothes. But seeing it up close like this, I forgot we were family—my crotch would've gone rock-hard on instinct. But the moment 'erection' crossed my mind, reality crashed back in.
Wobble.. Wobble..
There, nestled in the center of my beautiful sister's crotch, was a man's cock. Me. Having spat out every drop stored in the balls, now limp and dangling. I'd been absorbed into her pussy, merged with her body, fully integrated now—the pubic hair above the shaft, was it mine or hers? Impossible to tell. No escape, even if I wanted to run.
...Why the hell did she absorb me? Why taint her perfectly maintained body with a stain like me? Why is she so obsessed? My dumb brain couldn't wrap around it.
...Was it really just because the hospital told her to 'trust and live with me'? Come to think of it, I never understood why she'd been hospitalized with such serious injuries in the first place.
Shhh—
But what did it matter now? I was trapped in her body, couldn't move, couldn't even speak.
"Jinseong, feeling sticky? Sis'll clean you all up."
Instead of washing herself first, she aimed the showerhead at me, her slender fingers and soft palm meticulously scrubbing my cock and balls.
Twitch-.. Twitch-..
"Ahhn.. Jinseong, seriously! This is just washing... Don't get so excited?"
Blushing as she gently gripped the shaft starting to stiffen with returning blood flow. She was pinning the blame on me, but she was dead wrong.
Grind-.. Crunch—!
I already knew from experience: an erection brought torture-like pleasure and the agony of the cock about to burst. How could I get hard?
"Hahk— Jinseong, keep that up and...! Sis'll get all weird again.. Hnng..!"
She was the one getting excited, not me.
"Nooo..!"
Stroke-! Stroke-! Stroke-! Stroke-!
Her mouth said no, but her hands had already lathered up soap, quickly pumping the shaft from soft to firm.
Squelch-squelch-squelch-squelch-..!!
Her skilled, manly handjob technique revealed she'd jerked off plenty of cocks before.
"Oook-! Ok..! Hooook..!!"
The shy demeanor from moments ago vanished; eyes rolled back, lips pursed, she panted like a beast, frenziedly shaking her fist around the cock.
—Shhh—!
She didn't neglect the pussy below either.
Sssshh-..!!
The shower on full blast, aimed straight at her crotch below the groin.
—Pew—..!!
My flesh—this cock—was swollen to bursting, veins bulging like it wasn't even mine anymore.
...Ughhh!!? S-Sis! Stop, please! The frenulum's too sensitive..!!
The tearing pain hit again; I begged silently, my voice never reaching her.
"Haauk-!! Hoguk—! Hiiik— Balls pulling up— turning my little bro's cock-juice into a gusher..!!"
But she didn't stop. This wasn't the sweet sister who always listened and comforted me.
"Cumming—! Cummingcummingcummingcumming—!!"
Sion, baring her raw lust, was just a beast craving endless satisfaction...
"Ohoooook—-!!"
Spluuurt—- Pssshhh—-!!!!
Drop—!—Shhh—-!
The showerhead she'd gripped clattered to the floor, spraying water. Splat— Splatter-..! Thick, creamy semen erupted from the rigid cock-tip, splattering the mirror and walls.
Beeeep——
..Gahk.. Huhk.. Huhk..
Tinnitus rang in my skull at climax, my mind nearly snapping—I barely held on. After a few orgasms, was I getting used to it? No clue if that was good or bad.
"Hngt.. Oooht..."
Ssshh— Sshh—
Legs splayed wide, face blanked out in ecstasy, she squirted nonstop from the pussy slit under the balls.
"Haaah.. Haa.. Jinseong..!"
Not satisfied, her heated gaze fixed on me as her hand moved—I felt pure terror.
...J-Just came, super sensitive! Sis, no more! I can only cum once..!
Squelch-..! "Haaang..!"
Ignoring my cries, her fingers probed her pussy's inner prostate G-spot.
Grind—! Throb..! "Hnnngt..!!"
Forcing the cock erect again. Her state was like a puberty boy discovering masturbation for the first time.
"Ohot—! Hook..!" Spluuurt— Peww— "Oook...—!!"
No matter how many times she came, she wasn't satisfied—her stamina let her keep going forever.
Spluuuurt—! ..S-Sis.. st-stop.. it huuurts.. no more.. kghaaa..!
But I was different. Hikikomori shut-in, shitty stamina—even jerking off was 2-3 times a week, one shot and done.
Spluuuuurk—! Pssshhh—!! "Hooooot—..!!"
..But sis had blasted five loads nonstop, no breaks. Splat— Splatter— The mirror and sink drowned in our yellowish semen, the air reeking of night-blooming flowers—yet no end in sight.
...St-stop...!
Spluuurt—- Spluurt—- Psshht—!
Drained dry, each ejaculation felt like my soul melting and spurting out.
==========
"..."
A bob-cut woman emerged into the living room, expression blank. Spotting the supply backpack and canned goods on the table...
Pop-
She grabbed a tuna can and cracked it open.
Munch-munch—!
Dumped the contents straight into her mouth without hesitation.
Pop-!
Then another tuna can, shoveled in.
Clunk-. Clunk-.
Empty cans piled up as she tossed them. "Mmph— mmph.."
Not even chewing fully, she ripped open a milk carton nearby.
Gulp- Gulp— "Haaah..!"
Downed the whole pack in one go.
A mountain of empties stacked before her. Gulp... Gulp.. An amount no single person could eat, devoured solo by her lean frame.
"Mmph.. Mmph..-"
Eyes wide, cheeks bulging, stuffing food relentlessly—like a wild beast devouring prey.
"Haa. Finally a bit full.. You too, right Jinseong?"
Wiping her mouth with a napkin, she grinned satisfied, addressing her crotch.
Twitch.. Twitch..
At the end of that gaze: a trembling cock.
'...'
Jinseong, vitality sapped after nearly ten orgasms. Cock and balls shriveled, utterly spent.
Twitch..! ..Ugh..!
But sharing nutrients with the host female revived me just enough to regain some sanity.
"Get hungry? Tell sis anytime. I'll eat for you as much as you need? Hehe.."
Having gathered tons of data on her parasitic cock, Sion had scarfed all that food to replenish his spent energy.
..N-No! Let me go!
But the nourished Jinseong felt zero gratitude.
...I'd rather die! Just let me die.. please!!!
He saw through it: her "care" wasn't for him—it fueled her own twisted desires.
..Let go! Let me go!!
Twitch..! Twitch..!
"Oh my— so grateful.. Sis is so touched..!"
But no matter how I screamed, my voice never reached.
"Haa.. Haa.."
It only stoked her lust more. Twitch..
The heat in Sion's eyes made Jinseong halt his feeble resistance instantly.
Pop— Pop— "Hm?"
Suddenly the fluorescent lights flickered...
Flick- "Huh?"
The dark house lit up bright.
"...Power's back?"
Muttering, Sion slowly rose and headed to the living room.
Beep- "Hm.."
Grabbed the remote, turned on the TV.
Sounds reasonable, but all insane. The state pushes parasitic dick synthesis with women. Futa women must take on the original man's job too. Absurd law, grotesque urging to implant cocks—but unavoidable for the nation. Half the workforce and key tech experts gone overnight; these superhuman 'new humans' with men's strength and skills were vital resources to exploit.
"Hm. If the news is right, you're jobless so no issue, Jinseong.. But sis needs to handle work?"
'Yes..! She has a job!'
Depressed at endless torment by his sister, Jinseong perked up thinking of her job.
'Even a masturbation-crazed sis can't at the office...'
"I'll tell them I'm quitting."
'...What?'
For a second, he thought he'd misheard.
"Quitting means no income right away, but there's the inheritance from stepdad and mom, plus what I've saved."
His hopes ignited then crumbled to ash.
"Time with you is so precious. Don't wanna waste it on some job."
'...Fuck.'
Was there truly no escape?
"Alright, washed up and ate, so.."
Stood-
Sion rose slowly from her seat. Wobble-..
The half-erect cock at her crotch swayed, signaling rising arousal.
Step- Step-
But she didn't touch it—instead walked to an object by the living room sofa.
Rattle-.
Pulled out the square thing. A one-person armchair with a square cushion.
"Found this in your room, Jinseong."
'Gahk.. Th-that's!?'
If he had a mouth, he'd have screamed, face beet-red.
A small padlock hung on the front, disguised as a cushion chair.
"Can't use your hands now, so.."
Snap-!
Sion ripped it off barehanded.
"Guess sis'll open it?"
Creak—
The box opened, revealing its contents.
'N-no!'
"Hah-?"
Inside: all sorts of female-body-shaped onaholes.