Brain Freeze from Blackmailing the Pure(?) Teacher Next Door
I froze the moment I saw the nude photo.
“Y-Yu-ha... t-teacher...”
My hands were trembling uncontrollably. There was no way I could calm down. How the hell was I supposed to calm down from this?!
The pure, innocent teacher from the class next door—the one I'd just been chatting with—had posted a nude photo...!
Skin even whiter than I'd imagined, massive breasts. A waistline that didn't stand out under her usual clothes, and huge hips. And that part she was covering with her fingers... Min Yu-ha's p-pu-pu- pussy!
Calm down. I had to calm down. First things first.
Screenshot!
I quickly hit the capture button. My fingers lacked strength, so I pressed hard with my other hand.
At the same time, my eyes scanned the background in the photo.
The nudity had me blinded at first, but I forced my eyes wide open and figured it out.
The 6th grade staff room.
I recognized the background and the whiteboard—it was identical to the one in the staff room.
And if it was the staff room... that meant it was right in front of me?
Which meant Min Yu-ha was no more than ten meters away, stark naked...!
“...Let's go.”
Would it be okay to go in? Would she collapse in tears if I opened the door?
I shoved those worries aside. This was no time for hesitation—I had to act.
It only took a few steps to reach the 6th grade staff room door.
From outside, I couldn't see in. The door was firmly shut.
Min Yu-ha was inside right now... completely naked...!
“Hoo...!”
I took a deep breath and threw the door open.
Click!
“Ah.”
Click. Click.
The door wouldn't open. It was locked.
...Of course it was, damn it.
“Wh-who is it?”
Min Yu-ha's voice came from inside. What should I do?
What do you mean, what? I had to get in.
I deliberately raised my voice.
“Yu-ha teacher? You in there? It's me, Class 2.”
“Ah, Cl-Class 2 teacher...!”
“Why's the door locked? Could you open it? I just need to pop in for a sec.”
“Y-yes...! Just a moment!”
I heard a clatter from inside.
What the hell was she doing?
I was dying to know what she was wearing. Show me...!
The door swung open.
“Hm?”
It opened faster than I expected.
And Min Yu-ha, who stepped out...
...was fully dressed.
“C-come in, Class 2 teacher.”
“...Ah. Whatever.”
“Wh-why... are you like that?”
“No. ...Nothing. It's nothing.”
Why the hell are you wearing clothes, teacher?
Didn't you just post that nude on the back account?
I couldn't say that out loud.
I had to play it natural. Natural.
I strolled casually into the staff room.
“I saw you'd locked the door, so I got worried something was up.”
“Ah, ah... Th-that's... um...”
As expected, Min Yu-ha was terrible at acting. She was sweating bullets, stumbling over her words.
From the atmosphere, it was clear she'd been naked just moments ago.
But how had she gotten dressed so fast...?
Ah. That must be it.
Thinking about it, she might've already put her clothes back on before posting the photo.
Even if the door hadn't been locked, it wouldn't have mattered. Damn.
“Ah... Um... I-it was just... p-personal stuff... so I locked it for a bit...”
“Ahh~.”
Her excuse was so lame her expression gave it away completely... but whatever. I had to pretend I bought it.
Min Yu-ha hurriedly raised her voice.
“T-teacher...! Aren't you supposed to be in class right now?”
“I just came to grab some lesson materials.”
“R-really...?”
I lied without batting an eye.
As if I'd leave materials here.
But since I'd used that excuse to get in, I had to stick to it.
Pretending to search, I snuck glances at Min Yu-ha.
“Hmm... I think I left a USB here, but where'd I put it?”
“Uh, um... No idea...”
Her eyes darted away. Fidgety movements, trembling legs.
She kept watching me warily from the corner like a cornered animal.
Anyone could see she was guilty as hell.
But along with that...
“Hoo... Hoo...”
Her cheeks flushed bright red. Her breathing unsteady.
...No matter how you looked at it, she was turned on, right?
Her thighs clenched tight—that sealed it.
Since yesterday, I'd been mulling it over.
Why did Min Yu-ha post exposure photos, then delete them?
The simple answer was exhibitionism... but deleting them didn't fit.
To avoid leaving evidence?
If so, she wouldn't post online at all—she'd do outdoor stuff offline, where there's no trace.
Posting on SNS and reading comments meant...
She got off on both the thrill of exposure and the reactions.
Unbelievable kink, but it was the only explanation that fit.
“Hmm...”
What to do?
I had her nude from the back account right there on my phone.
She'd covered up and hidden her face, but the background and hair made it obvious—it was Min Yu-ha.
Confront her with it, and I could blackmail her. “This your back account, teacher?”
...I could, but.
The problem was I had no idea how she'd react.
Her face right now screamed fragile mentality. Look at her legs shaking.
What if she broke down from shame and jumped off the roof? Quit teaching?
That would screw me over.
With Ryu Se-hee, the “debt” was an inescapable chain, so I could push hard.
But Min Yu-ha was different. Rich girl—quitting wouldn't faze her life.
How to break her mentally without shattering her, and make my blackmail stick?
“...Hm?”
A great idea flashed through my mind.
...This might actually work.
Considering her tendencies, high chance it'd land.
As I finished thinking, Min Yu-ha's soft voice piped up.
“Um... Class 2 teacher? Did you find it? If you tell me what USB, I can help look...”
“Ah, found it. This one.”
I snatched a random USB. Had to back up my lesson materials excuse.
Wait, this was Ryu Se-hee's? Borrowing it for a bit.
“You found it? Good thing. I thought it was gone since you were looking so long.”
“It was tucked in the corner.”
“Y-yeah...! Phew...”
Min Yu-ha let out a huge sigh of relief.
I pocketed Ryu Se-hee's USB and left the staff room.
“Rest up!”
“Y-yes...!”
Out in the hall, I glanced around.
Where to? Somewhere empty...
Men's staff bathroom. Perfect.
I hurried there, pulling out my phone again.
Screen on, app launched.
“Haa...!”
After Class 2's Han Tae-oh teacher left the staff room, his footsteps faded.
Min Yu-ha finally collapsed into her seat with a huge sigh.
“Ha... I-I really thought I was caught...”
Thump thump. Thump thump.
She pressed her palm to her chest.
Her racing heart wouldn't calm down.
What if she'd still been naked...?
Ugh...!
Of course, she'd locked the door, so no chance of getting caught.
But if she'd forgotten to lock it... her naked body seen by Class 2 teacher...!
Ugh, no. No!
She had to stop those weird fantasies!
'Does Class 2 teacher think I'm weird...?'
Locking the grade staff room door out of nowhere? Yeah, it was suspicious even to her.
Maybe he'd noticed something...
Min Yu-ha looked at her phone.
The screen still showed the back account post she'd uploaded.
Her own nude photo.
Comments had already exploded past 50.
Too long. Had to delete it quick.
[Delete the post?]
Her finger hovered over confirm, hesitating.
'No, better than deleting right away...'
She canceled and opened the comments. The reactions poured in.
Her face burned red at the flood of sexual harassment.
“...Mm.”
She bit her lip hard. Her body itched.
She hesitated a bit longer, then screenshot every comment frantically.
Only after capturing them all did she delete the post.
“Haa...”
As expected. Even after that close call...
She couldn't stop.
Thrilling exposures at school, savoring the reactions...
She knew it was perverted and dangerous, but she was hooked.
When did it start?
Late last year, when she was still homeroom for 2nd grade.
Back when her main account only had tame teacher-life photos.
She'd accidentally posted one with a bit of cleavage showing.
Unintentional exposure—she hadn't even realized.
Only after the unusual flood of likes and comments did she notice the cleavage... and a glimpse of her bra.
'Ugh...! How could I mess up like that!'
Delete it quick.
As Min Yu-ha went to delete, she glanced at the comments.
'Wh-what...? D-dick between tits...? Motorboat...? Nipples...? Wh-what is this...!'
Blatant sexual harassment, exposing men's filthy desires raw.
She panicked.
'D-delete it quick. Quick...'
But.
Her hand wouldn't move fast.
Thump, thump, thump...
“Ah...”
Her heart started racing.
Born into wealth, lived without want. Saw only good, met only kind people.
No one had ever been crude to rich, young, pretty Min Yu-ha.
Girls' middle, girls' high, teachers' college, teaching... a flower in a greenhouse.
Those vulgar comments were...
“...Haa...”
More than enough to shock her sheltered world.
Her first taste of rebellion's thrill.
And that memory lingered.
She deleted the post.
But created a back account.
Couldn't expose on her main with name and school visible.
Started mild—close-ups of clothed chest got likes.
First time realizing men loved her breasts that much.
A hint of cleavage? Explosive reactions. Followers grew, comments poured.
Her exposure level crept up.
Until today... full nude for the first time.
'A school teacher... shouldn't do this...!'
She knew it was wrong, but couldn't escape the liberation.
The comments got her so excited.
Plus, in the 6th grade staff room—where teachers gather, kids pass through.
Stripping alone during class time, going fully naked... that rush was...
“...Haa.”
Indescribable.
'If someone saw this... I couldn't teach anymore...'
What if someone figured it out?
Her secret self?
“...Class 2 teacher maybe...”
Han Tae-oh had come straight to the staff room after her post today.
And yesterday, he'd warned her about SNS...
Coincidence...?
Maybe he knew the back account.
Knew everything, came on purpose...?
A flicker of fear, but she shook her head.
Just speculation, no proof. He hadn't said anything directly.
Teachers pop into the staff room during class for materials all the time.
Just coincidence.
He doesn't know... he can't.
'Because Class 2 teacher is into Class 1 teacher...'
That's when it happened.
A notification popped up—a new DM.
From a back account. Probably a follower who saw the post late.
Min Yu-ha never replied to DMs. Basic safety.
Ignore this one too.
Right before turning off the screen.
A message she couldn't ignore.
“............Huh?”