She goes with Zephyr

She waked up, she knew that her training would be hard, yes but now in her bed the only hard thing is her cock and nipples.

She knew how to relief herself but being the first time its always strange.

The now monstrous hard 24 inches or two foots of flesh is vibrating with lust and eagerness, she pull it to her breasts and mouth and started to jerk off.

'Why does it feels so good, it really means that those strange pictures of futanari in old internet were true?'

Her work took her some minutes, but at last she felt something new, a lube from her cock, PRECUM, a massive amount by the grace of her balls?

Wait, she didn't add balls...

Well she could always add them later, now she had to concentrate.

Her precum was flowing with more strength even starting to fly away. She quickly searched for a condom to manage the soon disaster, her route the bathroom.

Quickly opening the door she meets with two things, a model of a pump for breasts and like a breeding mount, she thought that she would need to add it herself, but no, it seems like the universe finally agreed with her in a way.

Getting her cock out of her shorts was a workout, but she finally did it, and her cock was glorious, it seemed nothing like those masculine and dark penises of the men, more like a gentle tool to breed and destroy any pussy it had in front of it with veins noticeable but not gruesome, a clear skin with no bumps or details, and a red head with enough thickness to compare to her leg.

sticking it to the breed mount was like nothing else, the damn thing was designed to not let her go until her tank is empty or her legs gave out, and she started to fuck it with all her ****.

Her cock although cute in a way was powerful, fully crossing to the other side of the mount, then she started to fill the already equipped condom in the mount, her precum filling it with more cum than every man in her apartment district combined.

"I already love you mount chan I don't know how I will start the day without you!"

The breeding continued for 10 minutes, no show of cum, but the condom could be filled with a normal quantity of cum of a small futa, but the interesting part was that her still alive cock was only expulsing precum.

"What the hell, even with the highest quality of condom in my old world I would had destroy it with my Precum, Truly a good investment"

Her strength and **** started to fall behind, the rhythm breaking and her breathing and moans were being Heard in all her apartment, her cock pulsing like if she was starting to come.

"Uhmmmmm Cummiiiiiiing!"

Her already thick baby machine started to bulge even more, making the mount groan in an effort to contain such a cock, in the other hand the specially made condom for big futas was filled to the brim in precum, probably 2 liters or so, that number was wrong a second later.

To say her penis was a canon was nothing short of her reality, her cum exploded in **** enough to move the condom and fill it like a balloon, now her cum was not simple. it was thick and musky, her cum weighed the condom enough to inflate it to the maximum.

1 minute, 2 minutes, 3 minutes, her body produced such a quantity of cum that she could have easily filled the freezer of the clinic of semen donation, and the worst was that she was transcending with this power!

Her canon was slowing down, from shots to spurts and finally calm, Izumi was panting, her cock weakening and then finally getting off from the abused mount. Izumi fell on her but to the floor and tired like if she got a marathon in her time.

"Uff god, that was sexy, I at least sympathize with the men if they got this fun when having this gun, well if they even had the opportunity to be more than 4 inches HA!"

The condom was filled to the brim, already on the floor the plastic bag was with at least 10 liters of fluids, being a quick 8 liters of cum in there.

"Awesome, I think that even a normal futa wouldn't cum like this... Even the musk and consistence are top notch!"

Izumi wash herself seeing a lot of new instruments to clean herself, like a lube to keep her cock clean and brilliant, some spices to give a taste to her skin, and finally the normal shampoo with strawberry and human milk aroma.

Anyways, she had to go to Takoba beach, riding her bike to the place although tiring was the fastest way to go.

Now changing into her closet, she had the perfect outfit, an skintight combo of tights and t-shirt, which of course had a great cleavage to show of her breasts in such small space, leaving an practically like if she was wearing nothing, next was a small jacket and tennis to keep comfort and temperature and she was a go

Taking a quick bite of a protein bar she went out of her apartment finally looking her new world!

Quickly getting to the beach she left her bike and went to the known dump, getting into the not covered part she saw the seated number one hero Zephyr, or also known as Nana Shimura!

"Oh hey squit good to see you, a few seconds more and I would had left!"

"Sorry Nana sama I had to take care of some matters hehe" Izumi made the tipycal scratch in her head, the only result were her breast doing a incredible BOING.

"Don't worry everyone has its morning rituals if you know what I am talking" Nana teased her enough to make her blush

"HA I never thought of seeing a human tomato Today!!!" Izumi trying to solve the situation talked her.

"Please keep calm Nana Sama someone might hear us"

"Oh sorry squirt, going back to important matters"

Nana finally got up showing off now her incredibly fit and attractive figure, but what mattered was how big she was! it seems like The symbol of strength makes honor to her title.

"Well like I said before and in my message last night I will train you to get my power, but sure you have questions right?"

Izumi being the sadistic nerd she was her strategy books of quirks she had were full of theories about the old number one, but now a flying quirk had more questions for why she was so strong, Maybe a superman quirk, DC predicted a lot of quirks.

"Well Nana sama I thought that your quirk was like superman, but now that you mention it, no article or review mention this"

"Enough of the Sama squirt, but yeah I hide it to keep the origin secure enough of any maniac, because my quirk is absolutely unique"

"Then Zephyr what's the big mystery of your strong and sexy body?" Izumi tried to tease her to see how she reacts

"Kid you have a long way to tease me but thanks anyways, So My quirk is a torch that is passed down to any good enough heir, someone who will be better that the last bearer!"

It is called One for All and you Izumi will be the 9th bearer!"

"Izumi knew her future, her efforts and all her suffering were worth it!

"Now first you need to train as it has such a power that could explode your limbs and cock!"

"Wha-at I thought that I was the right one!"

"And you still are, your words when you defended that girl from me showed me enough value in your heart and mind, but your body, I am not wrong you can only cum less than a dozen of times with your cock right?"

Izumi as red as she could be knew the truth, her session this morning shows it her cock although powerful was weak, and thus mediocre, she should change it to make herself better or what? well Nana was still talking anyways.

"Yeah knew it, but don't worry, remember the plan I made you well it lasts in a full body course of training from stamina to weight lifting! everything a quick and Hard cummer needs!"

Izumi could always cheat with her new power, but scamming All Might was poetic justice! Now in a new world, with new values and perspectives she needed to prove herself! So no more slacking off she had 9 months to build herself like a tank! better to do it now

"Zephyr if that what I need then I will do it!"

"Well said Squirt! your first objective is to clean this dumb!"

"wha-a-at?"

"You heard me well, welcome to your year of fucking training, better to start now, so let us go!"

...

...

A month went and Izumi was requiring a quick change of clothes, the reason?, well it seems that she was a natural! Yeah well it seems that her sperm donor was at least tall or had that gene saved for her, Izumi with her old 5'5'' was now a solid 5'7'' and her growth seems to only started!

Anyways the other changes were that her Breasts although not bothersome before were a hard use weapon, now she could dance (in her standard's) with them, her bottom was smaller but was a bit more rigid, likely all her fat went to the Midoriya pride.

But the most important part was her cock, it grew, yeah she could change it whenever she liked to, but now her normal frame seemed to become better? her cock grew half inch flaccid and one hard, her thickness increased by a quarter of inch in both sides, and her balls seemed a bit more heavy Oh talking about that! she added new Rules!

*Old Rule: Izumi's balls exist and normally are as big as grapefruits, this is subject to change by her order, she can modify them in many ways, like producing heavy baby batter or liquid milk, etc.*

*New Rule: Some futas will experience a second puberty, this being subject of a massive and never felt orgasm in their body's, The second puberty is only available to some futas being less than the 10% of the population. The second puberty hits transforming the body parts of some futas into hypers, usually making her cocks and balls double in size, her height exploding and finally her muscles becoming fit*

Being content with her modifications she had made this rules to add some spice to the sex life of everyone, she could always be bigger, but no joke if she not shares it and feel a cock in her pussy. Izumi was at the end of the day a woman, and like any with sexual fantasies, she likes being penetrated by a penis in her pussy, it only matters that it is a woman who do its.

Anyways in that month she catched started to note her new stamina going from a unique session with mount chan to a two timer. Yes she was nothing near the stamina levels of the heroines out there, but it was a start. Today in special because Nana talked her to stay a bit more in the beach.

Being a bit late Nana was in a rusted bench seated with a coffee in hand, "Oi squirt it seems like you got in time!"

"Sorry sensei, I had to change my clothes because of the training"

"hmm interesting, let's hope you grow in more ways..."

Izumi enticed looked at her Sensei, she truly was a hot shot, but her cocky side made a truly contrast that made her look like the perfect charismatic leader just in the line of absolute confidence and an ego of the size of her cock.

"Well I don't really got into the top league yet... but I'm growing"

"Well said!" Nana got up and finished her coffee and put it in the bench "Izumi Midoriya today we will start training in some martial arts!"

Izumi was curious she really didn't thought how much the combat would have changed, much likely trying to avoid hits in the breasts by being a literal protection in everyone body

"Izumi as you know I can fly with my quirk but you could not inherit my power and only get the strength, so we will start with MMA and Taekwondo those legs sure can be menacing with the right training!"

Izumi smiled to the new regimen to strain her body, she could do it she could be a great hero!

...

...

...

Three months had passed away, and now Izumi was what one could be said as a sister of battle of WH40k, her muscles were starting to show signs of being fit, her abs started to rise and get hard, her arms had no more fat and her legs were more powerful than ever, her height didn't change too much only an inch more, then her cock and breast oohh those were good news for her.

Her cock from 18 and half inches went to 20, and that was not all, her skin was brighter and more soft, including her cock, being of course flaccid, being hard changed everything, her 24 inches went to 28 and her thickness oh her fists weren't enough to envelop it! Her balls! her Grapefruits grew to be small watermelons.

Other than that she didn't grew in height, but what mattered now was her stamina, she increased her sessions to three, yeah boring, but now her quantity was superior, from 10 litters to 20, a big growth, but she didn't wanted to stop there, she had to still training and be worthy of her cock and new power!

Izumi had learned through her life that most of the bad heroes lack technique, so she had to do as Eraserhead, and Present Mic, and other who uses more her bodies to fight. Her first objective ask Nana to show her what kind of training she would need!

One day around the fourth month Izumi finally made the question, Zephyr as always seemed to be sexy because YES, and Izu was only in her old skintight full body training clothes.

"Nana can I make a request?"

"Oh yes what is it?"

"Well I have been thinking about improving and specializing in my technique, like I think strength and speed are necessary, but when I meet someone who I cannot defeat that way what should I do?"

"hmm well squirt there are a lot of options for you, specializing in something is important, so Yeah Why not? And if you cannot continue then is just change of routine!"

To that Nana brought her to a strange building, one that is no notable in any way.

"Well girl here we are, this is the new training grounds from here now, it will be done only when I specify i Ok, no solo training, as it is high capacity and we wouldn't like that you lost it because you had an injurie!"

"Ok no over do it, then what is the training Nana?"

"Well better you see it when you are inside"

As they got inside the building Izumi noticed something the place doesn't seem to be a gym, or at least not a public one, as they got further Izumi started to smell a familiar smell, the smell of sex and Cum.

when they finally are at a door Nana tells her something "Squirt, as long as I know your are over 18 right?"

"Yeah why?" Izumi was confused, her thoughts were quickly cleaned when Nana unlocked the door, there was a room filled with breeding mounts dumbbnells and a lof of quirky and personalized machines designed only for Futa.

"Well Kid welcome to the Sex Gym Hermaphrodite!" Izumi was impressed she knew this world was more sexual in many ways, but seeing how much the sex increased in some parts, it was marvelous"

"Uhhh Nana what are we doing here?"

"Training of course, you will have an extensive stamina training to maintain the techniques that I will teach you! Of course the majority of my power comes from my quirk so instead of overpowering them you will spam them and become better than me!"

Izumi was honestly impressed with the method, of course she would do it for many reasons, but now she had to concentrate.

"Then Squirt lets go to the rest rooms and change we have a long day!"

"Wha-at do you mean?!"

"Kid you didn't heard the sex part, both have to be nude now let's go!"

Being there Izumi could finally see why Nana was the Top one, her massive T breasts were beautiful, they were as hard as diamond and could easily be sucked dry, in the other hand her figure was the perfect amazon, one gigantic butt to doom us all, thighs that could easily crush several heads, and finally her cock.

It got out of her pussy like if you uncorked the finest of wines, her massive flaccid shaft was much like her cock, clean, with veins that show its power and a head red a a tomato. Her ball being the size of a pair of watermelons, with a musk that could already impregnate someone.

Izumi was awestruck, her body already showing its emotions by uncorking her hard cock, powerful 28 inches of flesh, and balls of the size of small watermelons, so now the question was, would Nana would notice her?