"Kouta-kun, sorry to keep you waiting. I hope barley tea is okay."
"Thank you, Rinako."
I have a girlfriend, the same age as me, and we’ve been together for six months. She’s a cute high school girl with long black hair and slightly pointed eyes. Her name is Rinako. Today, I’m hanging out at her house.
Her mysterious kitten-like aura, her petite body, and her cool demeanor—these were the things that triggered my love at first sight. And then there were her well-shaped E-cup breasts, which seemed out of place for her small frame. You could say she was a 'loli with big breasts.' To put it simply, my girlfriend was far cuter than any other girl around.
Her one and only flaw—though, to be honest, it's something I like about her...
"Well then, shall we do it, Kouta? My parents aren't home today, so we can do whatever we want. And of course, I've been taking birth control, so we can go without protection as much as you like. Also, I've already prepared everything, so you can even use my ass."
She’s unbelievably... insanely debauched.
She had become unnaturally obsessed with sex. Not just ordinary sex, but anal sex, BDSM, outdoor exposure, public masturbation... We had done so many things that I couldn’t even count them all, but Rinako didn’t show any resistance. She once said with a cool smile, 'I want to be a woman who can accept new things without hesitation,' but... what she was accepting was only lust. Despite my amazement, I was enjoying those kinky plays with her. Honestly, I was starting to get used to it...
However, today, Rinako's suggestion completely took me by surprise.
"Let's take this drug before we start."
What Rinako pulled out was... a brown bottle with tablets inside. There was no label or anything. I had a bad feeling, so I asked her what it was...
"Apparently, this is something amazing. It's what you'd call an aphrodisiac. Rumor has it that it boosts both sex drive and semen volume by ten times…"
"Ten times... Is this an illegal drug? Where did you even get something like that...?"
"Even for women, it seems to boost sexual desire and sensitivity. It’s a fantastic product."
"Are you even listening to me?"
When I looked at Rinako’s face, it seemed like her 'switch' had already been flipped. She was staring at me with a dazed look in her eyes.
"…I guess I don’t have a choice. If anything happens, help me out, okay?"
"No, we agreed we’d die together, didn’t we?"
"Don’t say such terrifying things…"
Rinako pulled out three pills, popped them into her mouth, and washed them down with barley tea. I followed suit, swallowing my pills with the tea.
Both Rinko and I had already reached a point where regular sex no longer satisfied us. We thought taking the drug was no big deal at this point. We never imagined it would have such terrifying effects.
……………
"That's amazing, I didn’t think it would take effect so soon."
We undressed completely and snuggled together on the bed, waiting for the effects of the drug to kick in… and it didn’t take long for the changes to appear.
Both of us could hear the sound of our hearts beating rapidly, almost too loud to ignore. And without doing anything, blood started gathering in my cock, making me fully erect in an instant.
"Kouta-kun’s dick... it’s getting bigger. Amazing, it was already quite large, but today it might be even more insane."
I was originally had a huge cock over 20 cm, but due to the effects of the drug, it had transformed into something even bigger, thicker, and harder.
"The veins are even popping out. It looks like it’s even swelling up around the balls. Hehe, this is looking promising..."
Rinako stroked my cock with a gentle touch, like she was petting a small animal. Her cool expression was on the verge of breaking, revealing a glimpse of a lustful woman’s face, unable to hide her excitement.
I sat on the bed with my legs spread apart, and Rinako knelt on all fours, bringing her face close to my groin. She kissed my engorged cock with a loving expression, then opened her mouth wide, so wide that it seemed her jaw might dislocate, and pushed it deep inside her throat.
"Mmm♡ Mmmph♡"
"Ugh, ooh…"
The sudden deepthroat almost made me lose control. Rinako’s blowjob is truly amazing. She adjusts the force and speed in a way that makes it feel like she knows precisely what I want.
"Mmph♡ Mmmh♡ Ahh♡"
Making a lewd face as she hollowed her cheeks, Rinako went on to massage my testicles. The drug must have affected me, because the pleasure from my swollen, tight scrotum being massaged pushed me to the brink of orgasm nearly instantly.
It seemed Rinako noticed it too, as she intensified the movements of her mouth and hand. Then, she took my hand and placed it on her head. Since we had had sex several times before, I immediately recognized it as a signal to forcefully push her head down and thrust deep into her throat. I ruthlessly grabbed Rinko's glossy black hair and violently shook her small head back and forth.
"Oooohhh♡♡♡"
Rinako, with her eyes rolled back, screamed like a beast as the flesh spear was twisted into her throat. This is nothing new. The real issue starts here. If what she mentioned earlier about the "ejaculation amount being 10 times" is true, then things are about to get very interesting.
"Make sure you drink it all. If you spill even a little... I won't forgive you."
"Mmmph♡ Aahhh♡ Mmmph♡"
Rinako, writhing in pain while tears and saliva flowed, looked like she was suffering but wasn't repulsed. Since the first time we had sex she has accepted all of my actions. If I told her to "drink my semen", she would probably try her best to drink it.
If the 10 times thing is true, then it’s probably impossible to drink everything though.
"I'm cumming... ugh, uu…! Drink it... now!"
"Mmph!? Ugh! Aahhh♡"
At the moment of ejaculation, I pushed my cock even deeper into the back of her throat and released my semen all at once.
"Bu-byu, ah, b, ob... gub-byu♡"
Rinako, making gulping sounds from her throat, took in my semen, but the amount of semen I ejaculated was too much, and she couldn’t swallow it fast enough. The semen that she couldn’t swallow reversed course, causing her cheeks to puff out.
"…Hey, don’t spit it out. Drink it properly."
"Mmph, buu... O-oh, go...♡"
"Yeah, I suppose you’ve reached your limit. Alright, come on, let it out."
The semen has greatly exceeded Rinako's limits. I don't think this is just ten times the usual amount of ejaculation.
I quickly pulled out my cock that I had shoved into the back of Rinako's throat, who was on the verge of death with her eyes rolled back.
Slorp!
"Blugh!? Ugh, mm, ughhh...♡"
Unable to swallow all the semen, Rinako threw up everything on the bed in a huge mess, coughing again and again until she finally settled down. With labored breaths, she turned her vacant eyes towards me.
"Guh, cough... this is amazing, really. Kouta-kun's semen is insane... I've never seen this amount before... it's so thick and sticky, it gets caught in my throat... like jam..."
She’s returned to being a bit of her cool self, but it’s already too late. Her cute face and beautiful black hair are now covered in tears, saliva, sweat, and my semen.
"If this much semen is ejaculated into my pussy... my stomach is going to get filled till it bulges... ♡"
"...I'll do that right now."
"Nghhh ♡"
I shoved Rinako, who was covered in my semen, onto the bed and, as her honey-coated hole twitched under the thin layer of pubic hair, I slammed my semen-covered cock deep into her honey-coated hole.
Squelch... squishhh!!
"Oh, wow!? Nggghhh... ♡♡♡ H-hiiiii!? Just putting it in, and it's already so, ahhh, aahhh... ♡"
When I thrust into her fully prepared pussy without mercy, it seems that she orgasmed just from that. I think Rinako’s sensitivity is heightened because of the drug, but if it’s like this now, I can’t imagine how it’ll be later.
"Hey, there's no time to be resting...!"
I pulled my hips back once, then with a forceful thrust, slammed my glans into her cervix.
"Haaa... ahhh... ♡ O-okay, deeper... right here, don’t... grind against my baby spot... ♡ Ah, ah! Ohhh!!"
"Your voice is still as vulgar as ever. I can't believe you're an honor student at school."
"Ahh, no, I didn’t mean to say that, but nngh ♡ it’s your fault, Kouta-kun, that I became so naughty... ♡"
"Shut up!"
Squelch!
"Ughhh… Gyaaahhh♡!"
He lifted Rinako's ass and switched to the piledriver position where he was thrusting downwards, with her legs spread apart. Foamy love juice splattered all over Rinako's face as he fucked her in a mating press.
"Amazing♡ As I thought, Kouta-kun's huge cock is amazing♡ The good spot, rubbing it♡ It feels so good, pushing it in♡"
"If you were more honest like that all the time, you'd be so cute, you know."
When I added additional stimulation with my finger to her clitoris, Rinako's vagina began to convulse and tighten in an abnormal way like never before.
"Oooohh♡ Nooo! My clit, you can’t do that! I-I’m going to… I’m going to… c-cum♡ nnngh, ahhhh~♡♡♡"
"I'm gonna cum! Take it all!"
As Rinako climaxed letting out a beast-like growl, gasping for air, I too couldn't hold back any longer due to the overwhelming tightness, and at the same time, I ejaculated. A wave of pleasure like an electric current shot through my back, and with the drug multiplying everything, I unleashed a large amount of thick, potent semen into Rinako's vagina.
Splashhh!!!
A quantity of semen far beyond what it was just a moment ago filled Rinako’s stomach belly.
"Ooooh!? N-No, no, no! So much semen!? It’s… it’s too much for my belly… I can’t handle it!!"
With a creaking sound, I could see Rinako's toned lower belly slowly expanding. Like a raging torrent, my semen surged towards her womb, flooding it.
In a room that was meant to nurture a child, a viscous, white, dirty liquid was spat out, and Rinako's stomach had grotesquely swollen.
"Oohh... ahh, ngh, so full... ♡"
"Ha... ha... haha, this is insane... your stomach is completely swollen..."
From the piledriver position, still unable to calm my erection, I returned to the missionary position with cock still inserted, and roughly kneaded Rinako's swollen belly.
"Ooh!? D-Don’t rub it... ♡"
"Come on, it’s fine. It’s cute, like you’ve got my baby in here."
The sensation of her womb that had swelled up and was filled with my semen was different from the softness of Rinako’s E-cup breasts. When I pressed in harder, the sound of my semen sloshing around echoed in her womb.
"Ugh, eh... my... my stomach, it hurts... give me a moment to let it out..."
"…No, no, it’s not over yet. I’m going to fill your stomach up even more. I’m going to make your belly even more swollen and sexy."
"H-Hii!? S-Stop, agh!?"
This time, still in the missionary position, I thrust into her hard. Together with her huge E-cup breasts, her semen-filled swollen belly jiggles.
"I’m going to fill your stomach with my semen until it’s at its limit…!"
"Ah, ahaha... I’m going to die... Kouta-kun’s semen is going to kill me... ♡"
With a mad grin on her face, Rinako laughed. I didn’t care about that and continued thrusting.
Bam!!
"Uyaaahhh, aah, aahhh, aaahhh ♡ My stomach, it’s getting so full ♡ my womb, it’s becoming all sticky with semen..."
Every time I performed a rapid piston motion, the flabby semen swollen belly trembled, and Rinako kept writhing with her eyes rolled back at the strange sensation. Finding her reaction amusing, I roughly pressed down on her swollen belly with my palm, and she screamed toward the ceiling, sticking out her tongue.
"Gyaaa!! My belly, stop, nooo!! The baby’s spot, it can’t handle it! Why are you doing this!? This is too much!!"
"It’s going to get even more extreme from here on! This belly of yours... I’m going to make it my personal semen tank! I’ll use it until it bursts!!"
"I don’t want this! I can’t take it anymore, let me let it out! It’s too much! Nghhh!!"
With tears streaming from her almond-shaped eyes, drool dripping from her half-open mouth, and her body drenched in sweat, Rinako writhed on the bed. Beads of sweat, like pearls, surfaced on her swollen semen-filled belly. While roughly massaging her slippery belly covered in our bodily fluids, I made my final push towards my third ejaculation.
"Don't worry... haa... I'll cum inside you until I'm satisfied, then crush this cute, adorable belly, making it nice and empty."
"Ohhh♡ Aah♡ Kyaaah♡ I-I'm cumming, I'm cumming, I can't stop!!"
Rinako, with her eyes rolled back, couldn't return to her senses. It seems like her consciousness is clouded from the continuous orgasms. Whether or not she heard what’s going to be done to her next is both a blessing and a curse.
"Here, the second shot."
Bam!
It almost sounded like flesh was being gouged as I thrust cock deep inside, prying open her cervix and pouring my semen directly into her womb.
Splash! Splash! Splash! Splat!
"Ahh!? G-Gyaaahhh!!! It's swelling up, my belly's going to burst!? This is bad!!! I’m going to die!! I’m really going to die!!?"
For the third time today, I expelled an amount of semen into Rinako’s womb that seemed unbelievable.
Rinako, seeing her own belly start to swell again, widened her eyes, her gaze vacant as she seemed unable to believe the sight in front of her. What had just been a slightly swollen belly now ballooned up to almost the size of someone in their final month of pregnancy. Rinako, now transformed into a figure resembling a pregnant woman, lay limply with her arms and legs sprawled out in a daze.
As I stroked her belly, the semen-filled swollen belly seemed like it was stretched to its limit. It was like a water balloon.
"Hah, hah, phew... As expected, three back-to-back shots is rough..."
"Ugh, ah… even if I use birth control… it's useless… I'm going to end up…♡"
"Yeah, that's true."
It would be fun to keep it inserted until conception, playing with her semen-swollen belly, but pregnancy would definitely be a problem. So...
"Well then, shall I let it all out?"
"Huh? Eh?"
Ignoring the confused expression on Rinako’s face, I quickly pulled out my inserted cock all at once.
"Nghhh!?!"
I thought the semen would flow back out from her womb, but it’s so thick that almost nothing comes out. At this point, I have no choice but to resort to rougher methods.
"Rinako. I’m going to press on your stomach."
"Huh, wha? N-no, this is bad... my stomach, I... I can’t... nnngh!"
I place both palms on the top of Rinako’s semen-filled swollen belly, which has expanded to its limit, and slowly applied pressure. I’m pressing down so hard that my palms are sinking in with a squishing sound, but there’s no sign of my semen coming out of Rinako’s womb.
"Ugh!? Ah, nghh♡"
Splat, splurt!
A small amount of foamy semen leaks out from Rinako’s genitals. This isn’t working. So, I pressed down on it a few times with all my might.
Splat! Squish! Squelch! Splat!
"Ah!? H-hyaaaaaaahhh!!? Guff, guh, I... I’m cumming♡ Gahh, gahhh, I... I’m cumminggg!!?"
Squelch! Slurp! Splat! Splooosh!
With a vulgar sound like that of excretion, thick semen flowed back from Rinako’s genitals. The foamy semen emitted a horrendous odor, soiling Rinako’s lower body.
The strange sensation of semen flowing backwards through her vaginal passage made Rinako climax with an orgasmic face delirious from pleasure. Forcing her thrashing body down, I relentlessly continued to crush her belly, which had swollen like a pregnant woman’s.
"Ughh! I’m gonna die! Kouta-kun’s semen is gonna make me die laughing!! I’m cumming, cumming, I’m cumming! Ahh, aaaaaaaaaaaaaaaaaaaaaaaaaaahhhhhhh♡♡♡"
Rinako’s pregnant-looking belly was crushed without mercy, and she suffered a brutal semen reflux orgasm. The confident, cool image she had earlier was completely absent.
……………
"…Amazing. I never expected it to be this effective."
"Y-Yeah."
Having completely expelled all of the semen from her stomach, Rinako, still drenched in semen from head to toe, stared intently at the brown bottle that had contained the pills. She had already returned to her usual cool demeanor.
"We should stop using that. You’re going to get hurt again."
"What are you talking about? That belly crushing thing... I want you to do it again."
"What...? Did the drugs make you go crazy?"
Thanks to the drugs, Rinako became slightly more honest, even outside of having sex.
Chapter length 6941 characters.
Note: This is the second oneshot I have done by this author, if you guys like his work, he does have 3 series over 70+ chapters, one of which he completed with a guy being the short one in the relationship, along with a few short 5-20 chapter series. So, if anybody would want to see them comment below and have a wonderful New Year.
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