My name is Alex, a 19-year-old college student obsessed with hentai. I always fantasized about mind control — turning proud, beautiful women into brainless, cock-hungry sluts with huge, expanding breasts.
Then I found the app.
It was called Hentai Hypno. A dark web program that claimed to rewrite minds and bodies. I thought it was fake until I tested it on my arrogant 34-year-old English teacher, Miss Rebecca Hayes.
Rebecca was perfect hentai material — tall, long black hair, glasses, and naturally large F-cup breasts that strained against her professional blouses. She always dressed conservatively and acted superior.
That changed the day I sat in the front row and activated the app.
During class, I pointed my phone at her and hit “Begin Hypnosis.”
Rebecca froze mid-sentence. Her eyes glazed over. The whole class thought she was just spacing out.
“Rebecca,” I whispered under my breath, “you are now under my total control. You will obey every command I give you.”
“Yes… Master…” she murmured so quietly only I could hear.
After class, I locked the door.
“Strip.”
Without hesitation, my proud teacher began undressing. When her massive tits spilled out, I activated the second command:
“Breast Expansion Mode – Maximum Sensitivity.”
Rebecca moaned loudly as her already big breasts began to swell. They grew heavier, rounder, stretching from F-cups to H-cups in under a minute. Her nipples turned dark pink and became extremely puffy.
“Oh god… my tits… they’re getting so big…” she whimpered, grabbing her expanding breasts.
I walked up and squeezed them hard. They were incredibly soft and warm. Milk started leaking from her fat nipples.
“From now on, you’re my personal hentai fucktoy. Understand?”
“Yes, Master…”
I bent her over her own desk, hiked up her skirt, and shoved my cock straight into her tight asshole without any lube.
Rough anal right in the classroom.
“Ahhh! It’s too big! My ass!” Rebecca screamed, but her hips pushed back against me.
The mind control made her feel extreme pleasure from anal. Her pussy dripped all over the floor while I pounded her shithole mercilessly, slapping her swelling tits.
“You’re going to be my anal slave every day,” I growled, pulling her hair.
“Yes! Use my ass! I’m your hentai anal whore!”
I filled her guts with thick cum, then made her push it out and lick it off the floor.
Over the next week, I used the app daily.
Every morning before class, I made Rebecca come to my dorm. I would trigger stronger breast expansion commands. Her tits ballooned bigger and bigger — from H-cups to J-cups, then K-cups. They became ridiculously huge, heavy, and milky. She could barely stand straight.
I loved titfucking her massive expanding breasts while she drooled in ahegao. Her tongue hung out, eyes rolled back, moaning like a broken hentai girl.
“Master’s cock… feels so good between my huge tits…”
One day I expanded her breasts so much they reached M-cups. She looked obscene — a curvy teacher with cartoonishly massive tits and leaking nipples.
I fucked her ass for hours that day, switching between her pussy and asshole while her giant breasts slapped against her stomach.
I got bolder.
During a full lecture, I made Rebecca teach the entire class with no panties, her skirt hiked up. While she wrote on the board, I remotely triggered her breast expansion again. Students watched in shock as her tits ballooned bigger inside her tight blouse until buttons flew off.
She came just from the growth.
After class, I made her crawl naked through the empty hallway with her massive tits dragging on the floor, then fucked her ass against the lockers.
The mind control made her crave anal more than anything. She started begging for it:
“Please Master… destroy my asshole again… I need it…”
I trained her to take huge toys in her ass while her tits kept expanding. She became a total anal addict.
On the last day, I took her to the college auditorium during a school event.
Hundreds of students were there.
I put Rebecca on stage completely naked, her breasts now absurdly huge — bigger than basketballs. She was leaking milk everywhere.
Using the app, I gave her one final command:
“Permanent Mind Break – Become My Public Anal Hentai Slave.”
Rebecca dropped to all fours on stage, ass up.
“Everyone… please watch… Master is going to fuck my ass…”
I mounted her right there in front of the shocked crowd and slammed balls-deep into her asshole. Her massive tits squished against the stage floor as I brutally fucked her.
She came repeatedly, screaming in pure hentai ahegao — tongue out, eyes crossed, moaning like a broken slut.
“Master’s cock in my ass! I’m just a mind controlled anal toy! Use me!”
I flooded her guts with cum while everyone recorded. Then I made her facesit me on stage so the whole school could watch her grind her soaked pussy on my face while her giant breasts bounced.
After turning Miss Rebecca Hayes into my personal anal hentai slave, I became addicted to breaking her even more.
Her breasts were already ridiculously huge — permanent M-cups that leaked sweet milk constantly. She could barely fit through doorways. But I wanted more.
One month after her public stage performance, I upgraded the Hentai Hypno app with new commands.
Every morning at 6 AM, Rebecca would crawl into my dorm room on all fours, her massive tits dragging on the floor.
“Good morning, Master,” she said in a breathy, broken voice, tongue slightly hanging out.
“Activate Maximum Breast Expansion,” I commanded through the app.
Rebecca moaned loudly as her already enormous breasts began swelling again. They ballooned outward visibly — veins appearing on the pale skin, nipples thickening and lengthening. From M-cups they surged to Q-cups in just ten minutes. They were now bigger than her head, heavy, veiny, and constantly spraying milk.
I grabbed her by the hair and shoved my cock straight into her asshole without warning.
“Fuuuuck! My ass! Master’s cock is ruining my shithole again!” she screamed in pure hentai ecstasy.
I fucked her ass brutally while her gigantic tits slapped against her thighs and sprayed milk everywhere. The mind control made her asshole incredibly sensitive — every thrust made her cum.
I made her look in the mirror while I pounded her.
“Look at yourself. You used to be a respected teacher. Now you’re just my titty anal cow.”
“Yes! I’m Master’s milk cow! Destroy my asshole deeper!” she cried, eyes rolling back into full ahegao.
I filled her guts with cum, then made her push it out and drink it mixed with her own breast milk.
I started taking her out in public more.
I dressed her in tiny clothes that barely contained her massive breasts. One day I took her to the crowded college cafeteria. Under the table, I triggered another expansion wave.
Her tits swelled so fast they burst the buttons of her shirt. Students gasped as her gigantic leaking breasts spilled onto the table.
Rebecca blushed deeply but couldn’t stop moaning. I made her stand up on the table, completely topless, while I fucked her ass from behind in front of everyone.
“Tell them what you are,” I ordered.
“I’m… I’m Professor Hayes… and I’m Master’s mind-controlled anal hentai slut!” she screamed as I railed her asshole in the middle of the cafeteria.
Dozens of students filmed it. Some were jerking off openly. Her milk sprayed everywhere as she came violently from the anal pounding.
My 18-year-old step-sister, Mia, had been suspicious about Rebecca’s strange behavior. So I decided to expand my control.
One weekend when Mia came to visit, I used the app on her too.
While Rebecca was on her knees sucking my cock, I made Mia watch. Then I commanded Rebecca:
“Sit on Mia’s face and feed her your milk while I fuck your ass.”
Rebecca obeyed instantly. She lowered her massive, leaking Q-cup breasts onto Mia’s face and smothered her while I destroyed her asshole from behind. Milk poured down Mia’s throat as she struggled.
Eventually, I put Mia under mind control as well.
Now I had both my busty teacher and my step-sister as hentai slaves.
I would make them compete:
“Who can take my cock deeper in their ass?”
Rebecca always won. Her anal training had turned her asshole into a perfect, greedy hole. I would fuck her ass for hours while Mia was forced to lick my balls and drink the milk spraying from Rebecca’s gigantic tits.
For the college’s annual talent show, I entered Rebecca as my “special act.”
She walked on stage wearing only a micro skirt that didn’t even cover her pussy. Her breasts were so massive they swayed heavily with every step, constantly leaking.
I triggered the strongest breast expansion command yet.
Right in front of 1,200 students and teachers, Rebecca’s tits exploded in size — going from Q-cups to impossible S-cups. They became cartoonishly huge, resting on the stage floor as she dropped to her knees.
I walked on stage, pulled out my cock, and rammed it straight into her asshole in front of the entire school.
The crowd went wild.
Rebecca screamed in broken pleasure:
“Master is fucking my ass again! Look at my huge tits! I’m just a mind-controlled anal cow! Use your teacher’s shithole!”
I fucked her mercilessly while pulling her hair. Milk sprayed in arcs every time I thrust. Her tongue hung out fully in maximum ahegao as she came non-stop.
I invited five male students on stage. While I continued fucking her ass, they took turns shoving their cocks into her mouth and covering her massive tits in cum.
Rebecca was completely lost in hentai bliss — drooling, crying, cumming, begging for more cock in her asshole.
After the show, I took her back to my room for the ultimate session.
I expanded her breasts one final time until they were grotesquely huge — each one bigger than a beach ball. Then I spent the entire night alternating between her pussy and asshole, pumping load after load into her.
By sunrise, Rebecca was a total wreck.
She looked up at me with empty, adoring eyes and whispered:
“I don’t want to be a teacher anymore, Master… I only want to be your brainless, big-titted, anal hentai slave forever.”
I smiled and stroked her enormous breasts.
“Good girl.”
From that day forward, Rebecca lived in my room 24/7. She slept with my cock in her ass. She woke up every morning by riding me anally. Her only purpose in life was to serve my cock, grow her massive tits, and leak milk like the perfect hentai cow she had become.
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