The First Opening Ceremony
It was about time for breakfast, so I headed to the kitchen and decided to keep things simple — toast and eggs.
"Ugh... I feel like I can smell semen every time I breathe..."
She was already sitting at the table waiting for me, still gagging a little, like she'd just thrown something up in the bathroom.
I set the simple breakfast down, took my seat, and started thinking. If I wanted a decent date with So-jeong tomorrow, I needed to peel this girl off me first. Sex could wait until evening. For now, I just had to kill time.
I looked at my little sister sitting across from me, half-asleep as she chewed on her egg toast.
"So what should we do today..."
"Yaaawn~ Let's just lie around in bed together...?"
"We do that every single day. God, there's really nothing to do..."
"Don't you play games or anything, Oppa...?"
Well... we'd never had a computer or any kind of console growing up, so I'd never touched a game in my life. Maybe that was why I didn't even play anything on my phone. I just wasn't interested.
"Guess I'll just work out."
"Then I'll go sleep in your room. Nom~!"
Come to think of it, I'd never seen her exercise or pick up any kind of hobby. Was that body just something she'd been born with?
"Why are you staring like that...? Is even the way I eat adorable~?? Hehe~!"
Fuck... she was pretty, sure, but the way she looked at me was so goddamn smug. Suddenly I was annoyed.
Fine. I'd mess with her a little.
"I'm using that hole today, so get it ready."
"...Ah! We're eating — don't talk about that—!"
"Pussy's fine but the ass isn't? What's the difference...?"
"Because that part is dirty... and putting the medicine in is such a pain..."
Ever since I'd started fingering her ass, she'd gotten self-conscious about it. She'd been using enema solution to keep herself cleaned out and ready whenever I wanted. I still remembered how she'd turned red all the way to her ears when we bought it together at the pharmacy. Her reaction had been hilarious.
"Even if you pass out today, I'm not stopping until I'm satisfied."
"...Are you going to wreck my ass too...?"
"I'll fuck it so hard it never closes again for the rest of your life."
"...Forever...?? Okay... I'll clean it out for you... I'll be waiting~ Oppa... haah—"
Just from hearing I'd fuck her rough, her nipples had gone rock-hard. She was in heat. Down below she was probably already dripping. I didn't even need to look.
"Haaah—!"
Before I cleared the table, I grabbed one of her stretched-out nipples and yanked it hard.
What a crazy bitch.
After I finished the dishes and worked out, lunchtime rolled around before I knew it. I threw together something simple, ate, and then settled onto the living room sofa like always, pulling her onto my lap so I could play with her tits.
"Haah—, do you really like my chest that much, Oppa...? Nnh—!"
"Every guy likes tits. And yours are fucking huge, so I like them even more."
I stretched one out taut.
"Kyaah—!! If you pull that hard...! My nipple's gonna come off...!! Aah...!"
She always said it hurt when I yanked her nipples like a maniac. And then—
"Ahah—! ...Don't stop—! Pull them harder—! Nnh! ...Ah!"
She'd beg me to do it even harder because she loved it. So I had no choice but to give her what she wanted.
I'm serious.
I sucked on them gently after that, nursing the tender flesh I'd just abused so roughly — wet, slow pulls of my mouth to soothe what I'd stretched.
"Haang... my nipples have gotten so long because of you, Oppa..."
"Pwah—. They say if you keep playing with them, your breasts get bigger."
"...It's not my breasts that are getting bigger. If you keep stretching them like this, they're going to look weird later..."
"That just turns me on more, though?"
"...You pervert— Aah! ...Why are you pulling them again...!"
"I'm the only one who's gonna see them anyway, so who cares if they look weird?"
"...Then it's fine... I'll only show them to you, Oppa..."
I kneaded her mochi-soft breasts in my hands, and that's when I noticed the bruises and bite marks — red and swollen, all from me. I felt a little bad, for some reason.
"Want me to put some ointment on these..??"
"......? Oh, these...? I'm fine... Keep marking me up like this~ Hehe~!! It means you like me so much you couldn't help it, right~?"
That wasn't it at all... I just did it because it turned me on more while I was sucking on her.
I couldn't exactly say that out loud, though.
As I kept fondling her breasts, a weird thought suddenly hit me. I'd been feeling like her tits had gotten bigger lately... What if she was pregnant? The idea scared me a little.
"...Did your chest get bigger again?"
I decided to ask, trying to hide how nervous I was.
"Haang... mmn... that's because you grope them so dirty every single day, Oppa..."
"No... I mean... they say your breasts can get bigger if you're pregnant......"
She went completely silent.
"Are you asking if my chest got bigger because you think I might be pregnant...?"
Yeah, I was fucking terrified, actually... I wanted to say that, but the look in her eyes was too scary. Why was she staring at me like that...
"...I just figured something like a baby should wait until we're actually prepared for it..."
Her face went bright red.
"...!! Oh my god~! What is this all of a sudden...! Ahem... ...Let's have our baby... a little later, Oppa...! Why are you proposing right now... that's so embarrassing..."
What the hell was she talking about? Had she actually lost her mind...?
"They really did get bigger because you keep stimulating them, Oppa... and as for the... baby... we can take it slow... once we find a place that's just for the two of us... hehe~"
Fuck... she'd started fantasizing on her own.
Anyway, she wasn't pregnant. Thank god. Seriously.
We fooled around like that while watching TV, and before I knew it a good chunk of time had passed. I set her down and headed to the kitchen to start on dinner.
She suddenly announced she wasn't eating tonight. She grabbed the enema solution and disappeared into the bathroom — probably to clean herself out completely.
As for me, I was going to need a lot of energy tonight, so I pulled out the beef I'd bought yesterday and laid out a proper feast.
It was fucking delicious.
She still hadn't come out of the bathroom by the time I finished stuffing myself. I cleared the table, did the dishes in a hurry, and headed to my room.
I don't know how much time passed.
Knock, knock—
I was sitting in my chair watching YouTube when the knock pulled my eyes toward the door.
Creeeak—
Why the hell was she knocking...? This was the same crazy girl who always barged in like my room was hers. What was she playing at?
The door slowly swung open...
She was wearing clothes. She stood there looking at me. Wait — could you even call that clothes??
This was the same girl who walked around the house in nothing but panties... and now she was in something like lingerie. No — it was a costume. Heart-shaped cutouts framed her nipples, and the panties were split right down the crotch, designed to spread open and put everything on display.
Cat ears on her head... so that's how she'd interpreted my offhand lie about liking cats.
And a tail... well. Cats do have tails. That checked out.
The problem was that this particular cat's tail wasn't attached to the lingerie. It was plugged into her ass.
"Nyaaong—"
With that little mewl, she dropped onto all fours and crawled slowly toward where I sat. She stopped in front of me, turned around, dropped onto her elbows, and hiked her ass up in the air.
I'd thought only the crotch was open — but the design left her ass completely uncovered. Nothing covering it at all.
She stayed on her knees, reached back, and spread her ass cheeks wide. The tail plugged inside her twitched and wagged, her hole clenching around it like it was trying to push the thing out... and below that, the pussy I'd fucked so much it wouldn't close anymore was drooling slick, her cervix winking at me from the inside like it was saying hello.
I was so fucking hard it hurt.
"Heeung... I'm a cat in heat, nya~ ...I want Oppa's cock inside me so bad— nyaang~"
Fuck... she was dead tonight.
I shoved my pants and underwear down, grabbed her spread ass, and slammed my cock through her pussy all the way to the back of her womb in one stroke.
"Kyahyaang~! ...It went all the way in— in one thrust~! Nyahat!"
I kneaded her ass like dough and started pounding from the very first stroke, slamming all the way to the base. Wet, heavy slaps filled the room every time my hips cracked against hers.
"Aah...!! Khehet..!! It feels so good!! ..Haah...!! ...I love it when you fuck me!!"
Every time I snapped my hips, her juices sprayed everywhere. My lower stomach was already soaked. And she'd already dropped the cat act, moaning like her usual self.
"Haat...!! Deep in my womb—! ..Haah! ..Ah...!! I'm cumming again—!"
Every time I moved, the tail buried in her ass twitched and wagged. I grabbed it and started pumping it in and out, shoving it deeper, yanking it back, shaking it around.
"Heeut...! My ass—! ...It feels like it's on fire—! It hurts so fucking much—...!!"
"You fucking bitch—! I'll wreck it until it's completely ruined—!"
"Yes—! Do it—! Ruin my ass—! Haaang...!!!"
I got too worked up. The orgasm hit me out of nowhere, and without giving a shit what she wanted I slammed in to the hilt and unloaded inside her womb — pulse after thick, heavy pulse.
"Aaaah——!!! I'm... cumming again! Haaah—! Nngh... my belly—!!!! It's gonna burst...!!"
"Hoo! Hnnngh..."
The second I finished that long orgasm I pulled my hips back to get my cock out. But her womb clamped down on the head all over again, trying to drag it back in. I forced it free... and she spat my cum out like a burst water main, gush after gush.
"Heeuut—! Haah! ...Haaah—..."
She started pressing down on her swollen belly with her palms, trying to push the cum out. A massive load of thick semen poured from her slightly prolapsed cervix.
I didn't have time for this. I needed to wreck her tonight. I didn't bother waiting for her to recover — I just grabbed the tail still buried in her ass and yanked it out in one pull.
Pop—!
"That hurts—!!! Augh... ...Wait! ...O... Oppa, I'm still...!!"
I confirmed the base of the tail was shaped like an anal plug, then tossed it aside.
She was still panting, looking up at me like she was begging for a break. I shoved both thumbs into her ass and spread it open, lining my cock up.
My little sister was about to get her ass opened for the first time — by me.