"The morning sex felt great too."
Early in the morning, in front of my apartment, holding hands with a middle school girl, I was overwhelmed with intense self-loathing.
In the end, I had ended up staying overnight with her at a love hotel. At dawn, I started having sex with her while she was still half-asleep, thoroughly enjoying myself with a middle schooler. The bathrobe I wore as pajamas was utterly pointless—we ended up tangled together completely naked.
Honestly, I was starting to get addicted to having sex with her. Her body was as mature as an adult's, yet she was only thirteen—a middle schooler. That felt like cheating. And her school uniform only fueled my desire to dominate her. No pun intended.
"So this is your place, huh?"
She spoke as she took in the obvious rundown apartment. A two-story wooden mortar building with a bathroom and toilet, but otherwise a shabby, old-fashioned dump. Financially, I could afford somewhere nicer, but the proximity to the station and sheer inertia from my college days had kept me here for nearly fourteen years. Fourteen years—that was Aika-chan's age. When I started college, she hadn't even been born yet. And here I was, having slept with her. Thinking about it that way, it felt like I'd gone far beyond just committing a crime.
"Disappointed it's so small?"
"...No. It feels lived-in. I like it."
I wondered what she meant by "lived-in," but since she didn't seem bothered, I relaxed. If anything, it might've been better if she'd refused to live here—it would've made things easier.
Opening the front door revealed a cramped one-room apartment with a tiny kitchen. The futon was left unfolded, laundry strewn everywhere, and beer cans littered the place—the epitome of a single salaryman's lifestyle.
"Sorry. It's a mess."
For the past month, I'd been coming home late searching for Aika-chan, so I hadn't done much housework. Not that I usually did, but this wasn't the kind of place you'd invite a middle school girl into.
"It smells like you. I like it."
Without hesitation, she stepped inside. I hadn't officially agreed to let her live with me yet, but I had a feeling it was already a foregone conclusion.
If she didn't mind…
It was still better than her living in a park.
"For now, could you sit over there?"
There wasn't much space to sit except on the futon, so she plopped down on it. Sitting with her knees up and facing me, her pink underwear was fully visible. Even though I'd seen far more than just her underwear earlier—even inside her—I still felt flustered. Why?
"Guess I should introduce myself properly. This is me."
Trying to hide my nervousness, I switched to work mode. The salaryman's greeting ritual—exchanging business cards.
"Kasahara Koichiro?"
Of course, a middle schooler wouldn't have a business card, so this was a one-sided introduction. I'd seen her ID the night we first met.
"Thirty-four years old, salaryman. Single, as you can see. Moved here for college and have been living in this apartment, Sazanami-sou, ever since."
That was about all there was to my self-introduction. Aside from working in sales at a pharmaceutical company, there wasn't much else worth mentioning. Well, unless you counted recently buying a thirteen-year-old middle schooler for 100,000 yen and repeatedly engaging in immoral creampie sex. That was about it.
"Should I call you Koichiro-san?"
She tilted her head slightly, her smooth black hair swaying. I had to suppress the urge to hug her. Using "-san" made it sound like we were newlyweds, but she was still a minor—a middle schooler.
"Call me whatever you like. 'Uncle' is fine, like before."
I was more used to "uncle," and it wouldn't stir up any unnecessary urges.
"Anyway, there's a mountain of things I want to ask you, but…"
With great reluctance, I grabbed my work bag and stood up. Right. It was time to go to work. If I didn't leave soon, I'd be late.
"This is my personal phone. If anything happens, call my work number on the business card. I'll leave 10,000 yen here, so use it for food or whatever. The spare key is in the mailbox—lock up if you go out!"
"W-Wait, Uncle!"
With a heavy heart, I left the apartment.
Entrusting my key to a girl whose background I barely knew was insane, but I really didn't have time. After my mistake a month ago, the scrutiny at work was still intense. I couldn't afford any more slip-ups.
I had my wallet, and my bankbook and seal were hidden in their usual spots.
Besides, I didn't think Aika-chan would steal from me.
The only thing I was worried about was leaving her alone in such a messy apartment.
"Huh?"
My work phone buzzed with a message. I assumed it was work-related, but the sender was my personal email—meaning it was from Aika-chan.
"Wha—"
I froze when I saw the attached image.
It showed Aika-chan holding up a pair of my discarded underwear, pressing the crotch area to her nose.
[Enjoying your scent. It's milder than last night's thick load.]
I deeply regretted leaving her alone at home. I should've just booked another night at the love hotel.
Before I could process it, another message arrived. This time, the photo showed…
[Here's a boob pic to tide you over until lunch.]
Aika-chan, with her bra unhooked and barely held up by one hand, her half-undone blouse looking obscenely alluring. If anyone saw this, I'd be done for!
Regretting giving her a phone, I finally made it to work.
But the messages kept coming.
[I'm bored, so I'll clean your room. If I find any dirty books, I'll study your fetishes thoroughly.]
She posed with a peace sign, wearing an apron and a headscarf. She must've bought them at a nearby store. The sight of her in her uniform with an apron reminded me of middle school home ec.
[Found your used tissues. They're dry, but they still smell like your cum.]
Had she gone through my trash? The photo showed her pressing a crumpled tissue to her nose, eyes glazed and cheeks flushed. Please tell me she wasn't masturbating with my used tissues.
[Found a weird-shaped tube in a box in the closet. It faintly smells like your cum. What's it for?]
I nearly choked seeing her peering into a fleshlight. I'd hidden it deep in the closet, thinking she'd never find it. At this rate, she was ransacking every corner of my apartment.
[The room's mostly clean now. I washed all your clothes and underwear, but then I realized I wouldn't have anything to enjoy your scent with. Guess I'll make do with the cum tissues I found earlier.]
No, no, no—just throw those away!
[I'm masturbating while smelling your cum. But your real dick would be better.]
The message included an obscene video. If anyone saw this, I'd be arrested on the spot. Uncensored footage of a middle schooler was way too dangerous.
[I got dirty, so I took a bath. Sorry for borrowing it without asking.]
The photo showed her giving a peace sign in the bath. Not a hint of remorse. And she wasn't even trying to hide her nipples or anything else—everything was on full display.
[A delivery came, so I answered the door in just a towel. The delivery guy looked shocked, so I'll think twice next time.]
That's dangerous!
What if he'd attacked her?!
[The delivery was a DVD. [E-Cup Bloomer Schoolgirl ~ Teach Me Naughty Lessons, Sensei ~]. Very interesting content.]
I was as shocked as the delivery guy.
It was an adult DVD I'd ordered online a few days ago. And of all things, the actress was a long-haired, black-haired, E-cup girl with a baby face—somewhat resembling Aika-chan. There was no way to talk my way out of this. I was definitely getting scolded when I got home.
For a while after that, the bombardment of messages stopped. I naively assumed she'd gotten bored.
But when I finished work and opened my apartment door, what I saw was—
Aika-chan in bloomers and a gym uniform.
"Ah, welcome back, Sensei!"
She greeted me with a flower-like smile, fully immersed in her role. Dressed in outdated bloomers and a gym uniform, she looked every bit the schoolgirl. Well, she was a middle schooler, but still.
"Will you give me another… special PE lesson today…?"
She must've picked up the line from the DVD, whispering in a voice even more childish than usual.
Since she wasn't tall, she almost looked like an elementary schooler. Her chest was undeniably mature, but the way she acted made it feel like a grade-schooler was begging for attention—an indescribable mix of guilt and excitement.
"Use your hard bamboo sword… to punish my naughty spots… okay?"
Still kneeling, she pulled out my erection from my pants. Pathetically, my little guy was already half-hard from the unexpected scenario.
"Get nice and hard for me…"
How much of this was an act? Or was this just another facet of her personality?
"Bloomer Aika-chan" began giving me a blowjob with a sweet, spoiled tone.
The warm sensation enveloped my glans. Looking closer, I noticed she'd tied her hair into twin tails. The attention to detail was impressive. It really felt like an elementary schooler was sucking me off. Not that there was much difference between that and a middle schooler, but the guilt was twice as strong.
The unfamiliar thrill overwhelmed me.
"Do you like my boobs… or my pussy… more?"
Looking up at me with a lisp, she sounded exactly like a little kid.
"Y-Your pussy…"
Talking dirty to what felt like a grade-schooler sent shivers down my spine.
Objectively, a middle schooler wasn't much better, but the idea of defiling something so innocent made the guilt even sweeter.
She got on all fours, facing away, and pulled aside the crotch of her bloomers. Instantly, her light pink slit was exposed. She wasn't wearing panties. Leaving the bloomers on showed she understood the fetish—or maybe that's how it was in the video.
Either way, I couldn't hold back.
After all those lewd messages and photos, I'd been pent up all day.
"Nghh!!"
I thrust into her already-soaked slit.
The sight of a girl in a gym uniform being taken from behind felt like violating an innocent child—an indescribable sensation.
"S-Sensei! It feels… weird inside me!"
Like a child with no knowledge of sex, Aika-chan moaned in pleasure. When I rammed into her without restraint, she let out adorable gasps.
"Ngh! Ngh! Ngh! My pussy… feels so good…!"
Unlike her usual wild moans, these were innocent whimpers. Her walls clenched around me tighter than usual—proof she was enjoying this even more.
"I'm gonna cum, Aika!"
"Cum with me, Sensei! Let's cum together!!"
With a sharp cry, we both climaxed.
A flood of semen filled her. Her vaginal walls milked me like a cow, squeezing out every last drop.
Pulling out, a stream of cum dripped onto the floor.
The sight of a girl in bloomers and a gym uniform getting creampied was criminally arousing. Maybe I was a pervert, but there was no turning back now.
"Sensei…? Class isn't over yet… is it?"
I thought the act would end after one round, but being called "Sensei" by a girl in bloomers dragged me back into the fantasy. Apparently, Aika-chan planned to play the role of a loli schoolgirl all day.
Middle schoolers were already borderline loli, but this was extreme. Her speech and mannerisms were more like a little girl's—a child, not just a student.
"Nghh! Sensei! Fuck me harder!!"
In the end, we never had a proper conversation that day.
Instead, we kept having sex, driven by pure instinct.
The fact that I found her even cuter when she acted like a grade-schooler…
I'd keep that a secret from her.
===============
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